Jahrestag

Something happened in year A, has this year its anniversary B.

A	B
1962	50
1963	49
1964	48
1965	47
1966	46
1967	45
1968	44
1969	43
1970	42
1971	41
1972	40
1973	39
1974	38
1975	37
1976	36
1977	35
1978	34
1979	33
1980	32
1981	31
1982	30
1983	29
1984	28
1985	27
1986	26
1987	25
1988	24
1989	23
1990	22
1991	21
1992	20
1993	19
1994	18
1995	17
1996	16
1997	15
1998	14
1999	13
2000	12
2001	11
2002	10
2003	9
2004	8
2005	7
2006	6
2007	5
2008	4
2009	3
2010	2
2011	1
2012	0