*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197001802534
1970001001
1971003047
1972001045
1973000033
1974000055
1975013037
1976003047
1977005038
19780040610
19790090514
198001100920
19811030610
1982001301225
19830060713
19840060612
198500501015
19861070715
198700130720
1988241701033
198904270839
19900980623
199109140730
1992244131969
1993217168011252
19942632133012779
1995250888115614
19960116876091253
1997036086014460
1998257115010598
1999033110852
2000361145017676
2001133039019389
2002148033011525
2003034446013403
2004152538014578
20050463701699
2006132344021389
2007457357114649
2008019858211269
200914854114118
20103184136014337
20112167104028301
20121245267030543
2013030335132398
2014179365039484
20151225231121668
2016427602063696
20171047109501671319
20185226651106799
2019324713384827
202021710850731177
202136142201971628
2022535130301591502
2023007018
2024018009
Total667900973712150919224