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1951
to
1954
1,203
1955
to
1959
628
1960
to
1964
535
1965
to
1969
256
1970
to
1974
127
1975
to
1979
75
1980
to
1984
137
1985
to
1989
140
1990
to
1994
3
1995
to
1999
1
2000
to
2004
0
2005
to
2009
0
2010
to
2010
2