*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197001270166194
1970004048
197100101011
19720040711
19730050813
197400100818
197502801020
197600801422
1977011101527
1978001401428
1979102201942
198000702027
198100902130
1982001502742
1983001702138
198400902332
1985011002536
1986022102346
1987022702857
1988032602251
1989062602254
19901312712080
199123048022102
19923143612377
199324758030137
19943100120033256
199585560132156
199698368122183
1997217585135298
1998720480129321
1999514871126251
2000820476042330
2001725481140383
20022231128131393
20033342120228495
20044318130135488
20053173284044504
20065252290043590
20073221288766585
20085783832353542
2009799480086672
20101457549098718
201171093611401094
201212391308143101683
201315521678123242081
20142045177634222266
20152846247747043259
20163715272828993681
20174124377059864826
201837243809811635041
201945194275129855336
202010104879312136115
202118135087713546479
202215113894710364963
2023015017
Total3893443403651201088255199