*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970001001
1970000000
1971000000
1972000000
1973000000
1974001001
1975003003
1976002002
1977002002
1978000000
1979002002
1980010001
1981001001
1982001001
1983000000
1984000000
1985001001
1986022004
1987013004
1988000000
19891270010
1990031004
19912620010
1992063009
199351920026
199405960065
199525430059
199604300043
199711740022
199814210044
1999011002
200006350068
200116520068
200206240066
2003155120068
2004252110065
20051680015
2006248190069
2007236130051
200801130014
20091390013
2010120180039
2011313160032
2012418170039
2013535410081
2014744310082
20155425300100
20165807100156
20178956000163
20185713900115
20198594800115
20209947000173
20212926300157
20225726400141
2023113005
2024002002
Total901383741002214