Issue end date
1923
1
1927
1
1933
1
1938
1
1945
3
1946
2
1947
1
1948
5
1949
1
1950
3
1951
9
1952
9
1953
7
1954
3
1955
2
1956
6
1957
3
1958
6
1959
2
196?
1
1960
1
1961
1
1962
4
1963
2
1964
1
1965
1
1967
3
1968
4
1969
5
1970
4
1972
1
1973
2
1976
1
1977
3
1978
3
1979
2
1983
1
1984
1
1986
1
1987
1
1988
1
1989
15
1990
15
1991
1
1992
3
1993
2
1994
2
1996
1
1997
2
1998
1
more ...