*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197005110016
1970005016
1971011002
1972003003
1973013004
1974012003
1975023005
1976034007
1977005005
1978022004
19790280010
1980017008
1981017008
198203110115
1983007007
19841180010
1985034007
198603120015
198705250030
198806260032
1989014420056
1990230150047
1991718180043
199241902100215
199335702700600
19943181952001874
199510155134001595
19965148223001510
199716962400721
199809313000961
199912422400267
20004130839001351
2001299636001034
20021139552001448
20032135054001406
20041179848001847
200553675900431
200611024102001127
200721092136001230
2008156814000709
2009234916900520
20106768283001057
2011049829900797
20127999184001190
2013251277352001654
2014211736343002100
2015281494416001938
2016191689467002175
2017331889507002429
2018351890627002552
2019291647691002367
2020182075873002966
202191737735022483
202262098506002610
202303290032
2024000000
Total2943763076110445539