Date
Symbol
Title
Total
Yearbook (See also > DPI publication > Subject listing: History etc.)
57
2005
1
2004
1
2003
1
2002
2
2001
1
2000
1
1999
1
1998
1
1997
1
1996
1
1995
1
1994
1
1993
1
1992
1
1991
1
1990
1
1989
1
1988
1
1987
1
1986
1
1985
1
1984
1
1983
1
1982
3
1981
1
1980
1
1979
1
1978
1
1977
1
1976
1
1974
1
1973
1
1972
1
1971
1
1970
1
1967
1
1966
1
1965
1
1962
1
1961
1
1960
1
1959
1
1958
1
1957
1
1956
1
1955
1
1954
1
1953
1
1952
1
1951
1
1950
1
1949
1
1948
1
1947
1
68751