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1973
to
1974
2
1975
to
1979
8
1980
to
1984
1
1985
to
1989
0
1990
to
1994
0
1995
to
1999
7
2000
to
2004
37
2005
to
2009
96
2010
to
2014
263
2015
to
2019
208
2020
19