*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197000110213
1970001001
1971002024
1972000000
1973003003
1974040004
1975001001
1976011002
197701100112
1978023016
1979017008
1980004037
1981005016
1982006006
19830190111
1984003014
1985023005
198614130018
19871380214
19881290416
198914160324
199007140122
199127200029
199204240432
199357230035
1994416270249
199511310134
199638350046
199725380853
1998110340651
199904340442
200025300441
200125300643
200211470251
200323610268
200405450252
200508710281
200614750181
200702760179
200801940196
20093118100185
20102019803203
20111325504263
201237365012387
20131228302288
20144119306204
20157226508282
201622351013368
201711540309428
20185644804463
201910352002535
20207258309601
202113480018502
20221140906417
202301110012
2024016007
Total88168587501646295