*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197010120013
1970001001
1971000000
1972000000
1973010001
1974000000
197502820030
1976010001
1977113005
1978100001
1979270009
1980053008
1981013004
1982003003
1983001001
1984011002
1985001001
1986022004
1987031004
19880930012
1989042006
199011920022
1991050005
199201930022
199303020032
19940145700152
199518380092
19963104400111
19971173800182
19988153600167
1999196300100
20002191700200
20013155800166
200212851300299
200343161300333
200413761500392
200511411000152
200602603200292
200724243300459
200861902700223
200932933600332
201083945200454
201122745700333
2012385407600654
2013656215800726
201406724400716
201534207200495
201644016900474
201724627300537
201844318900524
2019842311300544
2020736811201488
2021939812400531
2022754111100659
2023010001
Total150940914150110975