*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197021110014
1970000000
1971010001
1972002002
1973021003
1974102003
1975013004
1976013004
1977009009
1978012003
1979013004
1980002002
1981024006
19820280111
1983004004
1984009009
1985012003
19860770014
198707120019
19880750012
198907130020
1990020140034
1991327260056
1992112260039
1993522260053
19945515600112
19954386700109
19962307200104
199710397801128
19986389900143
1999223540079
200055613200193
200142521000239
200244418700235
200368427600366
200459723100333
2005413219100327
200627820600286
200717817600255
2008311013900252
200944617100221
2010110527000376
201149920802313
2012623523901481
20131327620800497
20141233426200608
20151640924000665
20161749626200775
20171358032500918
20181254235401909
201920702362001084
202016647465001128
202113820560001393
20228802303001113
2023012390051
202411460048
Total231715166820614070