1981/01/01	151.90
1981/01/02	32.75
1981/01/03	31.10
1981/01/04	27.50
1981/01/05	45.55
1981/01/06	50.10
1981/01/07	117.70
1981/01/08	154.75
1981/01/09	167.10
1981/01/10	197.00
1981/01/11	183.25
1981/01/12	150.95
1981/01/13	89.60
1981/01/14	96.00
1981/01/15	98.40
1981/01/16	111.20
1981/01/17	50.75
1981/01/18	37.15
1981/01/19	46.20
1981/01/20	31.10
1981/01/21	80.80
1981/01/22	150.95
1981/01/23	245.00
1981/01/24	63.10
1981/01/25	80.00
1981/01/26	135.55
1981/01/27	69.60
1981/01/28	56.80
1981/01/29	145.75
1981/01/30	141.50
1981/01/31	127.90
1981/02/01	198.00
1981/02/02	241.00
1981/02/03	148.30
1981/02/04	120.25
1981/02/05	165.20
1981/02/06	144.05
1981/02/07	93.60
1981/02/08	142.35
1981/02/09	116.00
1981/02/10	107.20
1981/02/11	132.15
1981/02/12	151.90
1981/02/13	200.00
1981/02/14	278.40
1981/02/15	250.20
1981/02/16	162.35
1981/02/17	36.60
1981/02/18	98.40
1981/02/19	119.40
1981/02/20	121.95
1981/02/21	120.25
1981/02/22	115.20
1981/02/23	69.60
1981/02/24	102.40
1981/02/25	195.00
1981/02/26	199.00
1981/02/27	219.00
1981/02/28	180.40
1981/03/01	164.25
1981/03/02	171.85
1981/03/03	119.40
1981/03/04	157.60
1981/03/05	157.60
1981/03/06	141.50
1981/03/07	174.70
1981/03/08	141.50
1981/03/09	138.10
1981/03/10	138.95
1981/03/11	189.00
1981/03/12	146.60
1981/03/13	183.25
1981/03/14	178.50
1981/03/15	218.00
1981/03/16	221.00
1981/03/17	121.95
1981/03/18	177.55
1981/03/19	193.00
1981/03/20	174.70
1981/03/21	178.50
1981/03/22	186.10
1981/03/23	180.40
1981/03/24	142.35
1981/03/25	202.00
1981/03/26	221.00
1981/03/27	204.00
1981/03/28	220.00
1981/03/29	203.00
1981/03/30	189.00
1981/03/31	112.00
1981/04/01	156.50
1981/04/02	189.70
1981/04/03	202.30
1981/04/04	266.75
1981/04/05	288.80
1981/04/06	244.90
1981/04/07	199.15
1981/04/08	200.20
1981/04/09	304.40
1981/04/10	290.00
1981/04/11	347.60
1981/04/12	346.40
1981/04/13	328.40
1981/04/14	209.65
1981/04/15	123.60
1981/04/16	244.90
1981/04/17	287.60
1981/04/18	247.20
1981/04/19	236.95
1981/04/20	284.00
1981/04/21	269.05
1981/04/22	281.70
1981/04/23	287.60
1981/04/24	286.40
1981/04/25	360.80
1981/04/26	377.10
1981/04/27	335.60
1981/04/28	284.00
1981/04/29	360.80
1981/04/30	383.60
1981/05/01	347.60
1981/05/02	254.10
1981/05/03	218.05
1981/05/04	282.85
1981/05/05	303.20
1981/05/06	365.60
1981/05/07	323.60
1981/05/08	399.20
1981/05/09	322.40
1981/05/10	317.60
1981/05/11	227.50
1981/05/12	213.85
1981/05/13	306.80
1981/05/14	285.20
1981/05/15	341.60
1981/05/16	263.30
1981/05/17	212.80
1981/05/18	189.70
1981/05/19	143.40
1981/05/20	178.50
1981/05/21	298.40
1981/05/22	311.60
1981/05/23	427.80
1981/05/24	659.00
1981/05/25	628.20
1981/05/26	467.60
1981/05/27	405.70
1981/05/28	447.35
1981/05/29	444.70
1981/05/30	446.00
1981/05/31	407.00
1981/06/01	342.80
1981/06/02	184.50
1981/06/03	338.00
1981/06/04	417.40
1981/06/05	434.30
1981/06/06	463.55
1981/06/07	438.20
1981/06/08	396.60
1981/06/09	290.00
1981/06/10	425.20
1981/06/11	366.80
1981/06/12	346.40
1981/06/13	403.10
1981/06/14	388.80
1981/06/15	433.00
1981/06/16	262.15
1981/06/17	272.50
1981/06/18	377.10
1981/06/19	403.10
1981/06/20	334.40
1981/06/21	300.80
1981/06/22	255.25
1981/06/23	186.55
1981/06/24	272.50
1981/06/25	244.90
1981/06/26	288.80
1981/06/27	263.30
1981/06/28	261.00
1981/06/29	261.00
1981/06/30	277.10
1981/07/01	306.80
1981/07/02	315.20
1981/07/03	184.50
1981/07/04	112.80
1981/07/05	238.00
1981/07/06	143.40
1981/07/07	87.60
1981/07/08	601.60
1981/07/09	638.00
1981/07/10	384.90
1981/07/11	278.25
1981/07/12	261.00
1981/07/13	143.40
1981/07/14	58.00
1981/07/15	233.80
1981/07/16	270.20
1981/07/17	242.60
1981/07/18	230.65
1981/07/19	126.30
1981/07/20	154.60
1981/07/21	413.50
1981/07/22	520.25
1981/07/23	715.04
1981/07/24	804.00
1981/07/25	697.52
1981/07/26	586.20
1981/07/27	269.05
1981/07/28	212.80
1981/07/29	408.30
1981/07/30	521.60
1981/07/31	525.65
1981/08/01	545.90
1981/08/02	626.80
1981/08/03	640.80
1981/08/04	622.60
1981/08/05	661.80
1981/08/06	745.70
1981/08/07	879.00
1981/08/08	880.50
1981/08/09	858.00
1981/08/10	790.50
1981/08/11	823.50
1981/08/12	841.50
1981/08/13	840.00
1981/08/14	735.48
1981/08/15	732.56
1981/08/16	731.10
1981/08/17	691.68
1981/08/18	629.60
1981/08/19	486.50
1981/08/20	399.20
1981/08/21	462.20
1981/08/22	562.40
1981/08/23	628.20
1981/08/24	584.80
1981/08/25	502.70
1981/08/26	383.60
1981/08/27	388.80
1981/08/28	394.00
1981/08/29	395.30
1981/08/30	371.90
1981/08/31	305.60
1981/09/01	183.50
1981/09/02	326.00
1981/09/03	418.70
1981/09/04	430.40
1981/09/05	440.80
1981/09/06	487.85
1981/09/07	539.15
1981/09/08	466.25
1981/09/09	504.05
1981/09/10	489.20
1981/09/11	544.55
1981/09/12	556.80
1981/09/13	359.60
1981/09/14	156.50
1981/09/15	104.20
1981/09/16	218.05
1981/09/17	239.15
1981/09/18	218.05
1981/09/19	124.50
1981/09/20	130.80
1981/09/21	58.00
1981/09/22	52.60
1981/09/23	156.50
1981/09/24	258.70
1981/09/25	224.35
1981/09/26	254.10
1981/09/27	257.55
1981/09/28	94.00
1981/09/29	37.20
1981/09/30	186.55
1981/10/01	296.00
1981/10/02	300.80
1981/10/03	329.60
1981/10/04	312.80
1981/10/05	110.15
1981/10/06	26.70
1981/10/07	211.75
1981/10/08	275.95
1981/10/09	294.80
1981/10/10	254.10
1981/10/11	261.00
1981/10/12	227.50
1981/10/13	104.20
1981/10/14	102.50
1981/10/15	75.60
1981/10/16	91.60
1981/10/17	149.85
1981/10/18	166.00
1981/10/19	193.90
1981/10/20	166.00
1981/10/21	220.15
1981/10/22	261.00
1981/10/23	284.00
1981/10/24	189.70
1981/10/25	143.40
1981/10/26	70.00
1981/10/27	44.20
1981/10/28	159.35
1981/10/29	246.05
1981/10/30	267.90
1981/10/31	249.50
1981/11/01	278.25
1981/11/02	246.05
1981/11/03	224.35
1981/11/04	281.70
1981/11/05	312.80
1981/11/06	328.40
1981/11/07	317.60
1981/11/08	235.90
1981/11/09	74.00
1981/11/10	49.10
1981/11/11	140.70
1981/11/12	169.80
1981/11/13	139.80
1981/11/14	188.65
1981/11/15	240.30
1981/11/16	190.75
1981/11/17	131.70
1981/11/18	257.55
1981/11/19	277.10
1981/11/20	254.10
1981/11/21	300.80
1981/11/22	345.20
1981/11/23	275.95
1981/11/24	182.50
1981/11/25	339.20
1981/11/26	341.60
1981/11/27	329.60
1981/11/28	335.60
1981/11/29	324.80
1981/11/30	258.70
1981/12/01	128.10
1981/12/02	212.80
1981/12/03	166.95
1981/12/04	142.50
1981/12/05	136.20
1981/12/06	125.40
1981/12/07	138.00
1981/12/08	44.20
1981/12/09	123.60
1981/12/10	130.80
1981/12/11	103.35
1981/12/12	91.60
1981/12/13	202.30
1981/12/14	184.50
1981/12/15	153.65
1981/12/16	191.80
1981/12/17	151.75
1981/12/18	178.50
1981/12/19	187.60
1981/12/20	179.50
1981/12/21	201.25
1981/12/22	87.60
1981/12/23	152.70
1981/12/24	122.70
1981/12/25	125.40
1981/12/26	134.40
1981/12/27	100.80
1981/12/28	81.20
1981/12/29	91.60
1981/12/30	161.25
1981/12/31	178.50
#===========================================
# Number of observations = 365 / 365
# Average = 267.27