*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970003014
1970000000
1971001001
1972000000
1973000000
1974001012
1975000033
1976000055
1977000055
1978100001
1979000022
1980002002
1981001012
1982002046
1983001045
1984000033
1985003058
1986013037
19870150612
1988002057
19890050712
199000201012
199101120316
19920030710
1993001168
1994011601431
199510121721
199601901121
1997001501833
1998201501835
199910821021
200010901323
200130601221
200222180628
200302140622
2004012901545
2005014402065
2006112711646
2007213101448
2008113701554
2009002811443
2010102601643
2011006601884
201221379059441
2013425571105669
2014215312102638
2015125862113704
2016326541122782
20174381741871015
2018118106632301318
201956219373212532
2020001518419578
2021002002
2022000000
Total483973933419829496