*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970501705678
1970003036
19710080917
197210230529
19731140410
197462240537
197510160825
1976001301225
1977612150740
19781918901258
19792165601497
19801418110057199
1981635902290
198218557041121
198320878018124
1984221349030114
198531371040127
19864830059101
1987213814890
19888657255128
1989685012489
1990151492225148
19912226127221198
1992910135024178
1993329213041295
19941014217030271
199599155126200
19962115150119206
1997149205040268
1998924171036240
19991327200131272
20007433250044401
20012019167141248
20022425192023264
20031018113021162
200472595025152
200571897036158
20061537122132207
2007028105137171
2008824139833212
2009747218048320
20104668191246353
20114942347160499
201250144311114610
201369255400171805
201467375260156786
20152385594602451484
201614212104202921488
20178135114423841646
20186115105523211454
2019511799722491316
2020312192702571236
2021569103302731371
20226336914179940
Total14939061382036390920164