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*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970002013
1970002002
1971000000
1972000000
1973000000
1974000000
1975003003
1976000000
1977002002
1978001001
1979002002
1980011002
1981011002
1982002002
1983001001
1984001001
1985001001
1986001001
1987027009
1988042006
1989061007
199001530018
1991011002
1992152008
199311950025
1994137170055
199511050016
199641790030
199764490059
1998351120066
199946070071
2000270180090
20011931401109
2002245270074
200311302300154
200432112400238
2005276170095
20062884500135
200711084400153
200821723400208
20094526500121
201041257900208
20111447300118
2012043170060
20131936500159
2014143360080
201514240029
201610130014
201721190022
2018050005
20191810010
2020001001
2021000000
Total531694729022478