*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197005140019
1970005016
1971011002
1972003003
1973013004
1974012003
1975023005
1976034007
1977005005
1978022004
19790280010
1980017008
1981017008
198203110115
1983007007
19841190011
1985034007
198603120015
198705250030
198805270032
1989014420056
1990230150047
1991718180043
199241902100215
199335702700600
19943181952001874
199510155134001595
19965148223001510
199716952500721
199809313000961
199912422500268
20004130740001351
2001299637001035
20021139552001448
20032135054001406
20041179849001848
200553675900431
200611024102001127
200721092137001231
2008156814000709
2009234916900520
20106768283001057
2011049829900797
20127999188001194
2013251277354001656
2014201736345002101
2015281494419001941
2016191689471002179
2017311889509002429
2018331890630002553
2019291647693002369
2020182075873002966
202191737735022483
202262098508002612
202306463500681
202404914100532
Total2893876176930446747