0 in 1970
1 in 1971
2 in 1972
3 in 1973
4 in 1974
5 in 1975
6 in 1976
7 in 1977
8 in 1978
9 in 1979
10 in 1980
11 in 1981
12 in 1982
13 in 1983
14 in 1984
15 in 1985
16 in 1986
17 in 1987
18 in 1988
19 in 1989
20 in 1990
21 in 1991
22 in 1992
23 in 1993
24 in 1994
25 in 1995
26 in 1996
27 in 1997
28 in 1998
29 in 1999
30 in 2000
31 in 2001
32 in 2002
33 in 2003
34 in 2004
35 in 2005
36 in 2006
37 in 2007
38 in 2008
39 in 2009
40 in 2010
41 in 2011
42 in 2012
43 in 2013
44 in 2014
45 in 2015
46 in 2016
47 in 2017
48 in 2018
49 in 2019
50 in 2020
51 in 2021
52 in 2022
53 in 2023
54 in 2024
55 in 2025
56 in 2026
57 in 2027
58 in 2028
59 in 2029