Date	Amb_Median 	STD_Median	Amb_Mean	STD_Mean
1/1/2011	521.8	575.0	564.7	622.2
1/2/2011	818.8	899.2	980.3	1075.5
1/3/2011	564.4	627.2	742.4	822.5
1/4/2011	440.9	492.1	773.5	866.8
1/5/2011	1662.3	1846.7	2681.5	2982.6
1/6/2011	644.0	718.2	1999.8	2229.2
1/7/2011	2095.7	2327.2	2309.0	2549.2
1/8/2011	795.2	868.8	761.6	832.0
1/9/2011	474.9	520.1	444.4	486.4
1/10/2011	332.6	365.0	335.9	368.9
1/11/2011	453.5	499.9	475.8	523.9
1/12/2011	284.2	314.4	316.8	350.5
1/13/2011	532.0	585.0	933.5	1024.7
1/14/2011	615.3	672.0	662.3	723.3
1/15/2011	644.1	705.6	647.0	707.5
1/16/2011	661.1	720.8	683.0	746.3
1/17/2011	766.3	835.9	726.4	794.4
1/18/2011	647.5	715.4	571.2	630.5
1/19/2011	419.8	457.9	407.5	445.1
1/20/2011	355.3	392.8	432.4	475.7
1/21/2011	391.1	434.2	466.3	517.8
1/22/2011	1921.2	2133.6	1774.5	1966.2
1/23/2011	860.4	960.5	1186.9	1322.2
1/24/2011	573.7	639.3	564.5	627.8
1/25/2011	628.4	692.7	625.5	689.7
1/26/2011	739.0	812.5	719.2	793.1
1/27/2011	623.7	693.0	710.4	789.1
1/28/2011	558.5	616.4	549.3	604.8
1/29/2011	423.2	465.1	583.6	644.3
1/30/2011	258.1	284.9	611.5	675.7
1/31/2011	384.7	423.8	386.7	426.3
2/1/2011	2426.6	2663.9	2231.4	2453.0
2/2/2011	1202.8	1318.0	1247.0	1365.1
2/3/2011	789.9	863.9	691.6	756.7
2/4/2011	432.2	478.5	472.5	521.5
2/5/2011	373.2	413.7	367.0	406.8
2/6/2011	311.3	343.6	323.2	356.9
2/7/2011	291.6	319.5	281.6	308.8
2/8/2011	418.3	459.1	414.2	454.6
2/9/2011	553.3	608.7	537.0	590.8
2/10/2011	576.9	635.4	566.7	623.4
2/11/2011	NA	NA	NA	NA
2/12/2011	NA	NA	NA	NA
2/13/2011	NA	NA	NA	NA
2/14/2011	NA	NA	NA	NA
2/15/2011	NA	NA	NA	NA
2/16/2011	NA	NA	NA	NA
2/17/2011	NA	NA	NA	NA
2/18/2011	NA	NA	NA	NA
2/19/2011	NA	NA	NA	NA
2/20/2011	NA	NA	NA	NA
2/21/2011	595.8	657.5	605.0	667.0
2/22/2011	1369.9	1522.8	1493.2	1653.9
2/23/2011	1067.9	1189.7	1420.6	1587.0
2/24/2011	225.0	252.4	298.4	334.2
2/25/2011	1497.1	1664.4	1331.6	1481.6
2/26/2011	1354.4	1506.2	1309.1	1455.7
2/27/2011	2156.6	2397.2	1844.3	2050.2
2/28/2011	1682.6	1863.0	1830.3	2024.3
3/1/2011	1070.4	1180.7	1016.7	1123.0
3/2/2011	841.1	934.5	1068.4	1184.8
3/3/2011	1019.0	1128.8	1119.0	1240.9
3/4/2011	2489.7	2738.2	2445.7	2694.8
3/5/2011	2126.1	2340.4	1821.4	2008.1
3/6/2011	887.5	988.8	1090.0	1214.4
3/7/2011	487.2	535.9	871.9	956.6
3/8/2011	1141.4	1258.7	1161.3	1276.5
3/9/2011	481.3	537.9	590.3	655.8
3/10/2011	402.9	446.9	460.0	510.6
3/11/2011	427.8	474.1	510.5	566.1
3/12/2011	1187.2	1319.1	1381.1	1536.0
3/13/2011	473.1	528.2	730.1	813.0
3/14/2011	1034.3	1144.5	1036.2	1148.1
3/15/2011	266.7	303.0	432.0	486.2
3/16/2011	443.9	503.0	418.3	473.8
3/17/2011	453.3	512.4	500.1	562.3
3/18/2011	732.1	810.0	1442.5	1588.4
3/19/2011	3144.4	3487.0	3117.1	3449.2
3/20/2011	828.1	916.0	763.6	844.8
3/21/2011	354.4	389.7	353.1	388.6
3/22/2011	459.0	505.9	443.0	487.9
3/23/2011	375.0	411.6	392.8	430.6
3/24/2011	431.4	465.9	511.6	553.0
3/25/2011	548.8	597.7	591.6	642.5
3/26/2011	967.5	1053.8	908.4	990.0
3/27/2011	923.9	1005.7	892.2	970.4
3/28/2011	605.2	658.3	504.3	548.5
3/29/2011	485.4	529.2	468.5	511.0
3/30/2011	460.3	502.5	500.9	547.6
3/31/2011	666.4	731.9	646.3	710.8
4/1/2011	709.1	773.8	709.1	773.8
4/2/2011	482.4	525.3	453.5	494.1
4/3/2011	171.7	189.1	156.8	172.9
4/4/2011	104.3	116.0	107.7	119.9
4/5/2011	114.1	124.7	107.0	116.8
4/6/2011	232.1	253.4	526.6	578.8
4/7/2011	215.0	240.2	214.6	239.4
4/8/2011	246.6	273.7	262.6	292.1
4/9/2011	240.4	265.7	225.8	249.6
4/10/2011	821.1	901.5	796.2	873.3
4/11/2011	257.0	281.6	257.0	282.4
4/12/2011	266.7	295.5	265.4	293.8
4/13/2011	186.6	205.9	184.7	204.5
4/14/2011	96.4	105.0	104.9	114.7
4/15/2011	148.4	164.8	160.8	178.0
4/16/2011	159.7	176.1	163.3	180.1
4/17/2011	181.0	198.7	195.2	215.0
4/18/2011	163.2	180.7	172.8	191.2
4/19/2011	205.3	227.8	209.7	232.8
4/20/2011	142.5	157.7	155.4	172.6
4/21/2011	86.0	94.5	87.7	96.6
4/22/2011	118.9	130.0	122.8	134.3
4/23/2011	153.4	168.3	154.1	169.0
4/24/2011	142.3	157.6	143.1	158.5
4/25/2011	172.2	190.0	169.1	186.1
4/26/2011	105.2	116.8	107.2	118.5
4/27/2011	64.7	71.0	70.0	76.6
4/28/2011	97.2	106.2	105.8	115.6
4/29/2011	95.6	104.3	120.5	131.4
4/30/2011	139.7	152.8	141.4	154.7
5/1/2011	130.8	145.9	132.1	147.7
5/2/2011	155.8	172.9	166.7	185.7
5/3/2011	124.8	138.4	127.5	141.4
5/4/2011	114.9	127.4	113.7	126.0
5/5/2011	78.1	86.4	81.3	90.1
5/6/2011	107.8	121.3	108.4	121.7
5/7/2011	85.9	95.7	90.7	100.7
5/8/2011	75.6	83.8	80.8	89.4
5/9/2011	121.4	135.9	114.7	128.2
5/10/2011	115.9	127.6	115.1	126.6
5/11/2011	115.5	126.0	155.0	169.3
5/12/2011	180.3	198.9	183.4	202.2
5/13/2011	160.4	178.0	158.9	176.2
5/14/2011	130.6	144.4	126.4	139.7
5/15/2011	56.0	61.7	61.6	68.0
5/16/2011	48.3	53.0	71.7	78.8
5/17/2011	61.9	68.5	61.8	68.4
5/18/2011	61.5	69.1	60.9	68.3
5/19/2011	57.1	63.0	58.9	65.0
5/20/2011	43.3	47.8	44.4	49.0
5/21/2011	48.3	52.9	51.6	56.6
5/22/2011	99.2	108.6	94.4	103.9
5/23/2011	243.0	270.9	224.8	250.3
5/24/2011	124.0	137.0	124.7	137.3
5/25/2011	126.4	142.9	194.4	222.0
5/26/2011	75.7	85.5	112.1	127.5
5/27/2011	81.7	91.1	106.0	118.2
5/28/2011	58.1	64.5	58.8	65.3
5/29/2011	52.9	58.4	52.8	58.2
5/30/2011	33.0	36.1	34.2	37.4
5/31/2011	197.8	217.5	243.3	270.0
6/1/2011	58.2	64.4	87.9	96.6
6/2/2011	67.9	75.4	68.3	76.1
6/3/2011	79.6	88.5	80.8	89.8
6/4/2011	92.3	101.7	91.7	101.0
6/5/2011	96.2	105.5	96.0	105.2
6/6/2011	84.7	94.2	86.1	95.4
6/7/2011	76.9	85.9	73.8	82.5
6/8/2011	80.0	88.5	83.0	91.9
6/9/2011	85.3	93.6	88.1	96.3
6/10/2011	93.2	101.6	94.1	102.8
6/11/2011	52.2	58.3	68.3	76.4
6/12/2011	53.3	58.7	51.7	57.2
6/13/2011	57.6	63.1	56.6	62.1
6/14/2011	42.5	46.7	40.7	44.8
6/15/2011	80.8	89.2	76.8	84.7
6/16/2011	97.5	106.6	97.1	106.4
6/17/2011	84.3	91.6	84.4	91.7
6/18/2011	78.3	84.5	77.1	83.2
6/19/2011	52.9	57.1	57.0	61.4
6/20/2011	93.0	101.7	93.3	101.6
6/21/2011	35.6	38.9	43.6	47.6
6/22/2011	46.8	52.3	47.0	52.1
6/23/2011	45.1	50.0	43.2	47.9
6/24/2011	83.8	89.9	80.5	86.6
6/25/2011	91.4	98.2	84.1	90.7
6/26/2011	41.9	45.9	38.2	42.0
6/27/2011	23.3	25.5	21.4	23.5
6/28/2011	36.2	40.3	45.8	51.0
6/29/2011	18.0	20.0	25.3	28.0
6/30/2011	35.7	39.4	39.9	44.1
7/1/2011	39.6	43.8	41.1	45.5
7/2/2011	64.0	70.7	57.9	64.0
7/3/2011	97.2	107.7	92.5	103.0
7/4/2011	164.5	187.1	176.4	200.9
7/5/2011	72.5	82.3	77.1	87.2
7/6/2011	74.2	82.8	77.8	86.8
7/7/2011	65.0	71.7	68.6	75.9
7/8/2011	64.8	71.4	65.6	72.3
7/9/2011	50.3	55.2	49.5	54.2
7/10/2011	46.0	51.1	64.7	71.9
7/11/2011	52.7	57.9	54.2	59.5
7/12/2011	111.9	121.6	111.1	120.6
7/13/2011	108.0	119.3	113.7	125.5
7/14/2011	81.4	91.9	84.1	94.5
7/15/2011	55.2	61.5	55.6	62.1
7/16/2011	51.5	56.8	61.8	68.1
7/17/2011	64.3	71.1	67.3	74.4
7/18/2011	69.2	77.0	71.2	79.2
7/19/2011	63.5	70.1	63.0	69.5
7/20/2011	48.2	52.8	47.6	52.1
7/21/2011	48.9	53.5	48.5	53.1
7/22/2011	61.3	68.5	68.1	76.2
7/23/2011	56.0	62.0	55.8	61.6
7/24/2011	61.7	66.8	61.4	66.5
7/25/2011	63.8	69.6	63.7	69.3
7/26/2011	59.1	64.1	58.8	63.6
7/27/2011	47.4	50.9	45.6	48.8
7/28/2011	71.0	76.7	78.4	84.7
7/29/2011	127.8	138.9	107.8	117.3
7/30/2011	139.8	151.3	127.4	137.8
7/31/2011	88.6	95.2	103.6	111.4
8/1/2011	108.2	117.3	108.2	117.3
8/2/2011	69.1	75.1	71.1	77.3
8/3/2011	61.1	66.4	64.3	69.9
8/4/2011	43.7	48.0	45.3	49.7
8/5/2011	31.6	34.7	52.8	58.0
8/6/2011	42.4	46.3	60.9	66.6
8/7/2011	150.8	164.8	158.2	172.9
8/8/2011	84.7	92.4	80.7	88.1
8/9/2011	97.7	106.6	103.7	113.3
8/10/2011	117.2	129.7	124.5	137.6
8/11/2011	277.5	309.3	252.1	280.6
8/12/2011	128.2	139.0	187.3	204.0
8/13/2011	88.3	95.6	88.3	95.6
8/14/2011	90.6	98.9	95.0	103.6
8/15/2011	119.3	129.8	123.0	133.9
8/16/2011	100.6	111.5	127.5	139.7
8/17/2011	79.2	87.4	83.9	93.0
8/18/2011	87.1	95.7	86.2	94.7
8/19/2011	87.3	95.4	86.8	94.9
8/20/2011	125.3	137.8	132.9	145.9
8/21/2011	74.4	81.1	78.4	85.5
8/22/2011	52.9	59.0	54.4	60.5
8/23/2011	61.9	68.9	73.1	81.3
8/24/2011	86.1	94.7	94.1	103.7
8/25/2011	133.4	147.5	144.1	159.0
8/26/2011	142.5	158.6	144.1	159.9
8/27/2011	301.2	337.2	304.0	339.5
8/28/2011	115.1	128.0	110.2	122.6
8/29/2011	262.7	291.0	246.5	273.3
8/30/2011	288.6	315.6	286.6	313.9
8/31/2011	256.3	280.1	239.9	263.5
9/1/2011	248.5	277.4	203.7	226.8
9/2/2011	178.6	198.3	164.1	182.1
9/3/2011	217.4	239.8	227.2	250.5
9/4/2011	279.3	312.0	287.6	319.8
9/5/2011	190.9	213.8	212.4	237.8
9/6/2011	322.4	359.7	338.2	377.7
9/7/2011	179.4	199.0	191.6	211.6
9/8/2011	38.7	42.1	43.0	46.8
9/9/2011	NA	NA	NA	NA
9/10/2011	340.4	373.6	439.8	482.9
9/11/2011	288.6	316.3	301.7	330.7
9/12/2011	280.5	307.8	245.9	269.9
9/13/2011	258.7	283.6	271.7	297.4
9/14/2011	465.0	507.3	475.3	518.7
9/15/2011	508.6	557.0	540.2	591.2
9/16/2011	126.3	138.1	134.3	146.9
9/17/2011	135.8	149.4	137.4	151.5
9/18/2011	115.1	#DIV/0!	120.5	#DIV/0!
9/19/2011	122.7	134.1	122.0	133.4
9/20/2011	237.3	260.5	312.6	344.5
9/21/2011	413.7	459.8	420.5	467.1
9/22/2011	357.3	395.4	358.5	396.4
9/23/2011	217.5	244.5	222.9	250.2
9/24/2011	194.6	218.5	199.0	222.4
9/25/2011	208.6	230.1	211.0	233.0
9/26/2011	185.3	204.2	234.4	259.9
9/27/2011	181.0	198.3	187.1	205.0
9/28/2011	192.2	211.0	271.6	297.7
9/29/2011	361.2	395.2	460.6	506.1
9/30/2011	743.1	820.7	774.2	854.9
10/1/2011	759.3	838.7	802.9	885.1
10/2/2011	539.2	592.3	681.8	749.0
10/3/2011	377.9	411.3	364.9	396.6
10/4/2011	501.1	545.6	717.6	784.2
10/5/2011	909.2	1006.9	923.9	1022.4
10/6/2011	1057.0	1162.2	1146.1	1258.1
10/7/2011	1128.8	1238.6	1191.3	1304.5
10/8/2011	849.2	943.1	823.2	913.1
10/9/2011	574.8	640.7	570.0	634.8
10/10/2011	363.2	400.9	372.5	411.4
10/11/2011	263.9	293.7	269.7	300.3
10/12/2011	274.7	306.4	254.9	284.4
10/13/2011	148.7	164.6	145.9	161.5
10/14/2011	188.7	209.1	199.2	221.5
10/15/2011	413.3	465.9	401.6	452.7
10/16/2011	193.7	214.1	249.9	276.5
10/17/2011	471.8	523.9	463.9	519.4
10/18/2011	261.9	291.4	279.0	310.4
10/19/2011	276.9	306.3	271.6	300.6
10/20/2011	153.3	169.1	171.9	190.2
10/21/2011	169.9	187.8	170.0	187.8
10/22/2011	342.4	385.6	344.4	387.9
10/23/2011	294.4	329.9	303.9	340.8
10/24/2011	275.9	302.2	285.9	315.1
10/25/2011	381.6	420.5	387.7	426.9
10/26/2011	344.5	380.1	348.3	384.1
10/27/2011	382.0	416.4	385.7	420.4
10/28/2011	325.9	356.7	332.0	363.2
10/29/2011	264.5	289.6	258.1	282.6
10/30/2011	132.1	144.6	204.6	223.7
10/31/2011	381.5	415.0	378.8	411.6
11/1/2011	407.3	439.2	405.2	437.4
11/2/2011	418.4	450.3	457.5	493.5
11/3/2011	433.7	470.5	433.1	469.5
11/4/2011	277.4	302.0	276.8	301.3
11/5/2011	295.4	322.2	304.9	332.2
11/6/2011	NA	NA	NA	NA
11/7/2011	683.5	746.7	1297.0	1417.6
11/8/2011	473.8	519.7	475.1	522.2
11/9/2011	589.9	651.5	992.8	1095.3
11/10/2011	393.9	436.1	454.2	502.7
11/11/2011	349.1	385.6	355.2	392.3
11/12/2011	353.5	388.5	402.6	442.6
11/13/2011	302.1	331.2	299.4	328.3
11/14/2011	275.0	302.0	274.1	301.0
11/15/2011	294.0	321.6	297.9	325.8
11/16/2011	346.6	380.3	351.1	384.0
11/17/2011	305.8	336.7	310.4	341.6
11/18/2011	301.6	331.1	332.7	365.3
11/19/2011	294.9	322.2	294.8	322.1
11/20/2011	341.0	375.1	335.2	369.2
11/21/2011	174.2	193.4	188.3	209.1
11/22/2011	303.4	337.9	277.1	309.0
11/23/2011	287.9	323.4	662.1	741.8
11/24/2011	516.7	576.4	565.9	631.0
11/25/2011	517.2	572.0	534.7	591.1
11/26/2011	420.0	462.8	502.4	555.2
11/27/2011	707.2	784.1	726.0	805.1
11/28/2011	NA	NA	NA	NA
11/29/2011	NA	NA	NA	NA
11/30/2011	NA	NA	NA	NA
12/1/2011	NA	NA	NA	NA
12/2/2011	NA	NA	NA	NA
12/3/2011	NA	NA	NA	NA
12/4/2011	NA	NA	NA	NA
12/5/2011	NA	NA	NA	NA
12/6/2011	NA	NA	NA	NA
12/7/2011	NA	NA	NA	NA
12/8/2011	NA	NA	NA	NA
12/9/2011	NA	NA	NA	NA
12/10/2011	NA	NA	NA	NA
12/11/2011	NA	NA	NA	NA
12/12/2011	NA	NA	NA	NA
12/13/2011	NA	NA	NA	NA
12/14/2011	NA	NA	NA	NA
12/15/2011	NA	NA	NA	NA
12/16/2011	NA	NA	NA	NA
12/17/2011	NA	NA	NA	NA
12/18/2011	NA	NA	NA	NA
12/19/2011	NA	NA	NA	NA
12/20/2011	NA	NA	NA	NA
12/21/2011	NA	NA	NA	NA
12/22/2011	NA	NA	NA	NA
12/23/2011	NA	NA	NA	NA
12/24/2011	NA	NA	NA	NA
12/25/2011	NA	NA	NA	NA
12/26/2011	NA	NA	NA	NA
12/27/2011	NA	NA	NA	NA
12/28/2011	NA	NA	NA	NA
12/29/2011	NA	NA	NA	NA
12/30/2011	317.4	351.7	314.9	348.7
12/31/2011	335.0	366.8	316.3	347.3