*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197000503742
1970001012
1971002046
1972000022
1973000011
1974000000
1975000033
1976002024
1977000044
1978001045
1979003058
1980001056
1981001045
1982003047
198300201618
1984001067
19850020911
1986006017
19870070815
1988002024
19890030710
1990004026
199100150520
19920080210
19930050712
199400120820
199500110718
199600801119
1997001401327
1998005049
1999006039
2000001001525
20010090716
200200130316
200300120113
200400501621
200500301316
200600180927
20070040610
2008001111224
200900901423
201000601521
2011003412257
2012001301326
2013003701855
2014002802452
2015004404488
20160053049102
20170070079149
20180086054140
201900109048157
20200095017112
20210062039101
2022001904867
2023001001
2024001012
Total0088227541638