Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1982	153.5	60.3	50.6	179.8	107.7	8.7	0	0	1.2	162.3	337.9	105.8
1983	92.9	99.2	99.1	147.4	21.3	0.5	0	67.1	0	139.1	63.1	113.8
1984	63.2	73.6	79	117.7	28.5	0	0	0	4.1	121.3	206.8	110.1
1985	101.7	110.2	104.4	131.1	11.2	27.6	0	0	2.1	22.3	228.6	241.9
1986	206.3	174.2	60.4	82.1	47.6	0	0	0	21	90.3	189.1	268.1
1987	55.6	67	74.1	219.9	17.7	4.1	0	0	95.9	91.2	104.8	78.4
1988	92.7	47.5	133.1	208.3	0.6	0	1.2	31.9	7.2	114.9	109.4	303.5
1989	149.4	114.3	141.7	130.2	24.3	0.3	2.2	0	19	77.4	138.8	121.1
1990	140.1	184.5	260.6	132.7	88.8	0	0	0.3	27.8	29.4	58.4	198.4
1991	90.7	118.5	35.5	86.6	147.1	0	0	3.6	82.4	117.4	183.3	208.5
1992	130.1	49.8	88.5	125.7	60.4	9.2	0	0	2.2	66.9	257.5	137.4
1993	154.3	67.3	157	67.1	28.6	0	0	5.9	0	21.7	118.2	171.9
1994	120.2	82.8	118.6	169.3	28.6	0	4.3	0	15.6	105.2	92.5	203.7
1995	224.2	89.5	146.9	120.1	23.7	56.3	0	0	7.5	160.6	100.9	78.2
1996	135.9	225.4	180.5	108.6	14.5	2.1	0	0	33.3	77.4	98.6	144
1997	193.1	15.6	107.2	136.4	86.9	0.5	0	0	0	227.6	122.4	155.4
1998	172.4	73.8	212	75.4	81.3	0	31.3	0	11	60.7	126.6	121.4
1999	125.1	30.5	208.2	141	0	0	0	23.7	21.2	71.6	280.7	129.8
2000	63.5	88.4	146.7	60.7	32.8	0	0	0.3	2	53.5	186.1	150.2
2001	161.5	59.6	228.3	31	37	17.7	0.5	22	30.6	64.1	71.4	91
2002	229.7	26.3	167.8	233	4.3	0	0	0	0	29	186.4	106.3
2003	164.7	153.1	161	170.9	6.5	8.3	0	3.8	22	73	91.8	134.9
2004	178.6	29.6	160	54.4	0	0	0	0	47.9	76.6	89.9	183.9
2005	264.8	29.6	89.3	35.1	81.5	5.5	0	0.2	0	22.7	153.7	59.8
2006	105.3	132.7	95.6	178.9	107.7	0	4.1	0.7	20.6	31	220.2	241.1
2007	96	22.2	132.3	123.5	53.1	12.2	0	0.3	12.2	56.4	191.9	95.8
2008	234.8	191.5	135.4	120.9	0	13.2	0.2	0	4	78.3	142.2	150.7
2009	62	86.8	190.2	167	23.9	18.4	0	0.1	2	23.2	148.7	87.4
2010	75.4	56.1	198.4	82.9	111.9	5.6	0.5	0	16	60.2	100.5	158.1
2011	74.9	148	230	81.2	19.6	0	10.6	2.6	91.6	89.8	175.5	154.4
2012	33	43.3	100.3	69.1	41.7	15.7	0	36.3	8.6	60.7	190.7	135.9