*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970001305972
1970000011
1971000055
1972001045
1973000044
19740250512
19750140611
197603301117
197721301117
19780250916
197900301215
19800040913
198100801725
1982011201831
198300601622
198400601622
198511601523
1986141611739
1987141701739
1988032201944
1989151102037
1990391901950
1991315108016142
19923136101895
1993814166020208
1994615115123160
199581288019127
199641172016103
199771085023125
199841694022136
1999774201874
200041491028137
20015379024111
200221104015122
200342130021157
20044278023107
20053296032133
200654127022158
200754131128169
200840157317181
200910135034170
201072187025221
201110199031231
201271471056535
20132529736080870
201413710960891205
2015378141711771640
2016218179802892116
20172222202311912259
20183812225202312533
20194522226712602595
2020101032238344
2021102003
2022000000
Total3142921467411239617687