*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970007029
1970000000
1971002024
1972000000
1973002002
1974040004
1975001001
1976010001
197701100112
1978023016
1979015006
1980004037
1981004015
1982006006
1983017019
1984002013
1985022004
198614130018
19871380214
19881290416
198914160324
199007140122
199127200029
199204240432
199357230035
1994416270249
199511310134
199638350046
199725390854
1998110340651
199904340442
200025290440
200125300643
200211470251
200323610268
200405450252
200508710281
200614740180
200702730176
200801940196
20093118100185
20102019803203
20111325504263
201237365012387
20131228102286
20144119206203
20157226508282
201622351013368
201711540309428
20185644804463
201910352002535
20207258209600
202113480018502
20221140906417
202301110012
2024000000
Total88167584701646266