*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970201905980
1970004037
1971004059
1972003047
1973004026
1974002057
19750540211
19760170816
19770090817
1978005049
1979413001045
198020130823
198160901328
198200801725
198300230730
19840080917
19851140612
1986041701132
1987222721750
1988152701851
1989131701435
19903124001368
19913105001275
1992195201678
1993319116013151
1994253112021188
199512084014119
199644280017143
1997122111019153
1998157144020222
1999120106020147
2000027185025237
2001111177024213
200203154017174
200313219114238
200423231020256
200514229020254
200613283121309
200704250032286
200808310621345
2009112329017359
201019381018409
2011115478139534
201236530674619
201308568144621
2014030582095707
201584089801211067
2016410109401291237
2017644139901071556
201872712220831339
2019718141601681609
2020013147401801667
2021112141601741603
202257107101141197
202314200025
202401440247
Total906081609918195418769