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1973
to
1974
5
1975
to
1979
12
1980
to
1984
25
1985
to
1989
50
1990
to
1994
37
1995
to
1999
59
2000
to
2004
35
2005
to
2009
42
2010
to
2014
106
2015
to
2019
86