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1924
to
1929
19
1930
to
1939
12
1940
to
1949
8
1950
to
1959
8
1960
to
1969
10
1970
to
1979
11
1980
to
1989
9
1990
to
1999
9
2000
to
2009
9
2010
to
2012
8