1981/01/01	63.00
1981/01/02	54.00
1981/01/03	114.00
1981/01/04	137.20
1981/01/05	87.00
1981/01/06	120.00
1981/01/07	121.00
1981/01/08	323.60
1981/01/09	303.80
1981/01/10	255.20
1981/01/11	276.00
1981/01/12	124.00
1981/01/13	204.00
1981/01/14	83.00
1981/01/15	187.20
1981/01/16	103.00
1981/01/17	115.00
1981/01/18	138.40
1981/01/19	81.00
1981/01/20	169.00
1981/01/21	195.60
1981/01/22	226.40
1981/01/23	256.80
1981/01/24	221.60
1981/01/25	232.80
1981/01/26	99.00
1981/01/27	192.80
1981/01/28	207.20
1981/01/29	274.40
1981/01/30	205.60
1981/01/31	253.60
1981/02/01	428.00
1981/02/02	231.20
1981/02/03	210.40
1981/02/04	236.00
1981/02/05	264.80
1981/02/06	185.80
1981/02/07	247.20
1981/02/08	177.40
1981/02/09	127.60
1981/02/10	244.00
1981/02/11	242.40
1981/02/12	245.60
1981/02/13	426.00
1981/02/14	428.00
1981/02/15	311.00
1981/02/16	96.00
1981/02/17	192.80
1981/02/18	231.20
1981/02/19	213.60
1981/02/20	220.00
1981/02/21	261.60
1981/02/22	159.20
1981/02/23	164.80
1981/02/24	253.60
1981/02/25	221.60
1981/02/26	348.80
1981/02/27	374.00
1981/02/28	260.00
1981/03/01	307.40
1981/03/02	192.80
1981/03/03	302.00
1981/03/04	263.20
1981/03/05	287.60
1981/03/06	300.20
1981/03/07	291.20
1981/03/08	234.40
1981/03/09	177.40
1981/03/10	305.60
1981/03/11	248.80
1981/03/12	294.80
1981/03/13	318.20
1981/03/14	312.80
1981/03/15	394.00
1981/03/16	188.60
1981/03/17	294.80
1981/03/18	318.20
1981/03/19	277.60
1981/03/20	293.00
1981/03/21	314.60
1981/03/22	312.80
1981/03/23	184.40
1981/03/24	327.20
1981/03/25	360.00
1981/03/26	332.60
1981/03/27	364.00
1981/03/28	330.80
1981/03/29	320.00
1981/03/30	190.00
1981/03/31	194.20
1981/04/01	187.20
1981/04/02	240.80
1981/04/03	305.60
1981/04/04	350.60
1981/04/05	303.80
1981/04/06	240.80
1981/04/07	234.40
1981/04/08	336.20
1981/04/09	378.00
1981/04/10	408.00
1981/04/11	454.00
1981/04/12	462.00
1981/04/13	396.00
1981/04/14	149.40
1981/04/15	291.20
1981/04/16	414.00
1981/04/17	329.00
1981/04/18	279.20
1981/04/19	452.00
1981/04/20	523.30
1981/04/21	525.40
1981/04/22	523.30
1981/04/23	450.00
1981/04/24	440.00
1981/04/25	480.00
1981/04/26	466.00
1981/04/27	298.40
1981/04/28	454.00
1981/04/29	271.20
1981/04/30	496.00
1981/05/01	382.00
1981/05/02	280.80
1981/05/03	368.00
1981/05/04	277.60
1981/05/05	293.00
1981/05/06	277.60
1981/05/07	468.00
1981/05/08	460.00
1981/05/09	448.00
1981/05/10	360.00
1981/05/11	180.20
1981/05/12	398.00
1981/05/13	320.00
1981/05/14	478.00
1981/05/15	318.20
1981/05/16	314.60
1981/05/17	220.00
1981/05/18	136.00
1981/05/19	202.60
1981/05/20	356.00
1981/05/21	240.80
1981/05/22	382.00
1981/05/23	637.00
1981/05/24	652.40
1981/05/25	307.40
1981/05/26	450.00
1981/05/27	498.10
1981/05/28	502.30
1981/05/29	519.10
1981/05/30	508.60
1981/05/31	462.00
1981/06/01	334.40
1981/06/02	422.00
1981/06/03	460.00
1981/06/04	498.10
1981/06/05	529.60
1981/06/06	540.20
1981/06/07	553.40
1981/06/08	269.60
1981/06/09	482.00
1981/06/10	482.00
1981/06/11	484.00
1981/06/12	460.00
1981/06/13	504.40
1981/06/14	544.60
1981/06/15	338.00
1981/06/16	396.00
1981/06/17	434.00
1981/06/18	519.10
1981/06/19	458.00
1981/06/20	446.00
1981/06/21	374.00
1981/06/22	210.40
1981/06/23	329.00
1981/06/24	343.40
1981/06/25	370.00
1981/06/26	372.00
1981/06/27	343.40
1981/06/28	366.00
1981/06/29	341.60
1981/06/30	374.00
1981/07/01	418.00
1981/07/02	240.80
1981/07/03	142.00
1981/07/04	394.00
1981/07/05	104.00
1981/07/06	87.00
1981/07/07	654.60
1981/07/08	787.50
1981/07/09	414.00
1981/07/10	366.00
1981/07/11	289.40
1981/07/12	137.20
1981/07/13	111.00
1981/07/14	321.80
1981/07/15	390.00
1981/07/16	347.00
1981/07/17	300.20
1981/07/18	126.40
1981/07/19	99.00
1981/07/20	470.00
1981/07/21	527.50
1981/07/22	689.80
1981/07/23	813.40
1981/07/24	785.00
1981/07/25	648.00
1981/07/26	216.80
1981/07/27	149.40
1981/07/28	506.50
1981/07/29	538.00
1981/07/30	519.10
1981/07/31	533.80
1981/08/01	681.00
1981/08/02	689.80
1981/08/03	628.20
1981/08/04	643.60
1981/08/05	770.00
1981/08/06	976.40
1981/08/07	948.40
1981/08/08	892.40
1981/08/09	861.90
1981/08/10	762.50
1981/08/11	881.20
1981/08/12	923.20
1981/08/13	775.00
1981/08/14	762.50
1981/08/15	770.00
1981/08/16	737.50
1981/08/17	703.50
1981/08/18	595.20
1981/08/19	531.70
1981/08/20	527.50
1981/08/21	615.00
1981/08/22	698.90
1981/08/23	694.30
1981/08/24	579.80
1981/08/25	510.70
1981/08/26	504.40
1981/08/27	500.20
1981/08/28	529.60
1981/08/29	470.00
1981/08/30	364.00
1981/08/31	134.80
1981/09/01	468.00
1981/09/02	484.00
1981/09/03	553.40
1981/09/04	540.20
1981/09/05	551.20
1981/09/06	645.80
1981/09/07	488.00
1981/09/08	555.60
1981/09/09	577.60
1981/09/10	626.00
1981/09/11	665.60
1981/09/12	571.00
1981/09/13	148.00
1981/09/14	320.00
1981/09/15	428.00
1981/09/16	354.20
1981/09/17	303.80
1981/09/18	218.40
1981/09/19	218.40
1981/09/20	116.00
1981/09/21	120.00
1981/09/22	312.80
1981/09/23	354.20
1981/09/24	336.20
1981/09/25	354.20
1981/09/26	408.00
1981/09/27	115.00
1981/09/28	86.00
1981/09/29	360.00
1981/09/30	468.00
1981/10/01	476.00
1981/10/02	454.00
1981/10/03	468.00
1981/10/04	122.00
1981/10/05	148.00
1981/10/06	374.00
1981/10/07	406.00
1981/10/08	422.00
1981/10/09	454.00
1981/10/10	424.00
1981/10/11	277.60
1981/10/12	123.00
1981/10/13	137.20
1981/10/14	140.80
1981/10/15	143.20
1981/10/16	228.00
1981/10/17	229.60
1981/10/18	293.00
1981/10/19	181.60
1981/10/20	332.60
1981/10/21	356.00
1981/10/22	430.00
1981/10/23	307.40
1981/10/24	178.80
1981/10/25	107.00
1981/10/26	85.00
1981/10/27	240.80
1981/10/28	345.20
1981/10/29	382.00
1981/10/30	372.00
1981/10/31	418.00
1981/11/01	434.00
1981/11/02	271.20
1981/11/03	444.00
1981/11/04	426.00
1981/11/05	464.00
1981/11/06	458.00
1981/11/07	448.00
1981/11/08	105.00
1981/11/09	83.00
1981/11/10	309.20
1981/11/11	245.60
1981/11/12	202.60
1981/11/13	289.40
1981/11/14	250.40
1981/11/15	325.40
1981/11/16	149.40
1981/11/17	394.00
1981/11/18	432.00
1981/11/19	348.80
1981/11/20	352.40
1981/11/21	446.00
1981/11/22	466.00
1981/11/23	456.00
1981/11/24	430.00
1981/11/25	408.00
1981/11/26	454.00
1981/11/27	456.00
1981/11/28	510.70
1981/11/29	348.80
1981/11/30	123.00
1981/12/01	360.00
1981/12/02	205.60
1981/12/03	197.00
1981/12/04	177.40
1981/12/05	216.80
1981/12/06	87.00
1981/12/07	83.00
1981/12/08	144.40
1981/12/09	181.60
1981/12/10	183.00
1981/12/11	152.20
1981/12/12	280.80
1981/12/13	291.20
1981/12/14	146.80
1981/12/15	272.80
1981/12/16	284.00
1981/12/17	289.40
1981/12/18	271.20
1981/12/19	293.00
1981/12/20	223.20
1981/12/21	105.00
1981/12/22	240.80
1981/12/23	174.60
1981/12/24	164.80
1981/12/25	194.20
1981/12/26	142.00
1981/12/27	128.80
1981/12/28	90.00
1981/12/29	232.80
1981/12/30	260.00
1981/12/31	260.00
#===========================================
# Number of observations = 365 / 365
# Average = 348.32