1	2	3	4	5	6	7	8	9	10	11	12
1950	8.1	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2
1951	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2
1952	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2
1953	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2
1954	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.2	8.3	8.3	8.3
1955	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3
1956	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3
1957	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3	8.3
1958	8.3	8.3	8.3	8.3	8.3	8.2	8.1	8.1	8.1	8.1	8.1	8.1
1959	8.1	8.1	8.1	8.1	8.1	8.1	8.1	8.1	8.0	8.0	8.0	8.0
1960	8.0	8.0	8.0	8.0	8.0	7.7	6.5	6.4	6.4	6.4	6.4	6.4
1961	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.2	6.2	6.2
1962	6.2	6.2	6.2	6.2	5.2	5.2	5.2	5.2	5.2	5.1	5.1	5.1
1963	5.1	5.1	5.1	5.1	5.1	3.9	2.0	1.6	0.8	0.6	0.3	0.0
1964	0.0	-0.2	-0.5	-0.8	-0.9	-0.9	-1.4	-1.5	-1.5	-1.5	-1.2	-1.2
	1	2	3	4	5	6	7	8	9	10	11	12
1965	-1.2	-1.0	-1.3	-1.4	-1.4	-1.4	-1.4	-1.4	-1.4	-1.4	-1.5	-1.5
1966	-1.5	-1.5	-1.6	-1.6	-1.6	-1.6	-1.6	-1.6	-1.6	-1.9	-2.1	-2.7
1967	-3.0	-3.3	-3.4	-3.4	-3.4	-3.4	-3.4	-3.4	-3.4	-3.4	-3.4	-3.5
1968	-3.6	-4.0	-4.0	-4.0	-4.0	-4.0	-4.0	-4.0	-4.0	-4.0	-4.0	-4.0
1969	-4.0	-4.0	-5.1	-5.1	-5.1	-5.5	-5.6	-5.9	-5.6	-5.6	-5.6	-5.6
1970	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.5	-5.5	-5.5	-5.5	-5.5
1971	-5.5	-5.5	-5.5	-5.5	-5.5	-5.5	-5.5	-5.6	-5.6	-5.6	-5.6	-5.6
1972	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6
1973	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6
1974	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6
1975	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6
1976	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6
1977	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6	-5.6
1978	-5.6	-5.6	-5.6	-5.6	-5.8	-5.8	-5.8	-5.8	-5.8	-5.8	-6.0	-6.0
1979	-6.0	-6.0	-6.0	-6.2	-6.2	-6.2	-6.2	-6.2	-6.1	-6.1	-6.1	-6.1
	1	2	3	4	5	6	7	8	9	10	11	12
1980	-6.1	-6.1	-6.1	-6.1	-6.1	-6.1	-6.1	-6.1	-6.1	-6.1	-6.1	-6.1
1981	-6.1	-6.1	-6.1	-6.1	-6.1	-6.1	-6.1	-6.1	-6.1	-6.1	-6.1	-6.1
1982	-6.1	-6.1	-5.9	-5.9	-5.9	-5.9	-5.9	-5.9	-5.9	-5.8	-5.6	-5.6
1983	-5.6	-5.6	-5.5	-5.5	-5.5	-5.5	-5.5	-5.5	-5.5	-5.5	-5.5	-5.5
1984	-5.5	-5.2	-5.1	-5.1	-5.1	-5.1	-5.1	-5.1	-5.1	-5.0	-5.0	-4.7
1985	-4.7	-4.7	-4.7	-4.7	-4.7	-4.7	-4.4	-4.4	-4.4	-4.3	-4.3	-4.2
1986	-4.2	-4.2	-4.0	-3.9	-3.9	-3.9	-3.6	-3.5	-3.3	-3.2	-3.2	-3.2
1987	-3.2	-3.1	-3.1	-3.1	-3.1	-3.1	-3.1	-3.1	-3.1	-3.1	-3.1	-3.1
1988	-3.1	-3.1	-3.1	-3.1	-3.1	-2.6	-2.6	-2.6	-2.6	-2.6	-2.6	-2.5
1989	-2.5	-2.0	-2.0	-2.0	0.0	0.0	0.2	0.2	0.2	0.2	0.2	0.2
1990	0.2	0.2	0.5	1.0	1.0	1.1	1.3	1.3	1.3	1.5	1.5	1.6
1991	1.6	1.6	1.8	1.8	2.4	2.4	2.4	2.5	2.5	2.5	2.5	2.8
1992	2.8	2.8	2.8	2.8	2.9	2.9	2.9	3.0	3.0	3.0	3.1	3.6
1993	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.7	3.7
1994	3.7	3.7	3.7	3.7	4.1	4.2	4.2	4.2	4.6	4.6	4.6	4.6
	1	2	3	4	5	6	7	8	9	10	11	12
1995	4.6	4.6	4.6	4.6	4.8	5.1	5.1	5.1	5.1	5.1	5.1	5.1
1996	5.1	5.1	5.1	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.9
1997	5.9	5.9	5.9	6.1	6.1	6.3	6.3	6.3	6.3	6.3	6.4	6.4
1998	6.4	6.6	6.6	6.6	6.6	6.6	6.7	6.7	6.7	6.7	6.9	6.9
1999	6.9	7.0	7.0	7.0	7.0	7.0	7.0	7.0	7.0	7.0	7.0	7.1
2000	7.1	7.1	7.1	7.1	7.1	7.1	7.3	7.3	7.3	7.3	7.5	7.5
2001	7.5	7.5	7.5	7.5	7.5	7.5	7.8	7.8	7.9	7.9	7.9	7.9
2002	7.9	7.9	7.9	7.9	7.9	8.0	8.0	8.0	8.0	8.0	8.0	8.0
2003	8.0	8.0	8.0	8.0	8.0	8.0	8.0	8.0	8.0	8.0	8.0	8.0
2004	8.0	7.8	7.8	7.8	7.8	7.8	7.8	7.8	7.9	8.0	8.0	8.0
2005	8.0	8.0	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9
2006	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9
2007	7.9	7.9	7.9	7.9	7.9	7.9	7.9	8.1	8.1	8.1	8.1	8.1
2008	8.1	8.1	8.1	8.1	8.1	8.1	8.1	8.1	8.1	8.1	8.1	8.1
2009	8.1	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9
	1	2	3	4	5	6	7	8	9	10	11	12
2010	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	8.0	8.0	8.0	8.0
2011	8.0	8.0	8.0	8.0	8.0	8.0	8.0	8.0	8.0	8.0	8.0	8.0
2012	8.0	8.0	8.0	8.0	8.0	8.0	7.9	7.9	7.9	7.9	7.9	7.9
2013
2014