*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970203005991
1970002013
1971000055
1972001045
1973000044
19740250512
19750140611
197603401118
197721301117
197802701019
197900601218
19801050915
198100701825
1982011201932
198300601622
198400601622
198511701524
1986141611739
1987141401736
1988032401946
1989551102041
1990392001951
19911413103016146
199211135501897
19931312156020201
19941115109123159
1995131181019124
1996121169016108
199716973023121
1998171679022134
19991474401883
2000614100028148
200112384025124
200231101014119
2003102143019174
20046298020126
200542107031144
200674148022181
200774143126181
200840170318195
200910140034175
201082186025221
201110188031220
201271299054361
20132327413049512
2014136496055570
20153876012102750
20162087421143914
2017242185911121017
2018341287701381061
2019432196801431175
20203011116411781384
2021419120921351396
2022208106301621253
202312650371
202412590466
Total5013121138213205914267