*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197000304043
1970000011
1971001034
1972000033
1973001056
1974000022
1975000022
1976002046
19770060410
1978002024
197911110518
1980004037
1981004059
1982004026
1983003058
1984001034
1985101024
1986301037
19873250414
19881080817
198911101013
199025230737
199143151326
19921470618
199317130829
1994417330559
199511200628
1996252701145
199714240635
1998120480978
199915220331
200025561771
200100160117
200200300131
200311630469
200412680172
200502600567
200600480553
200700350843
2008016301680
200904380345
201001400546
20117811302130
2012626501184
2013103801352
2014313684013236
2015310140012165
201605131022158
2017013263027303
2018024164016204
2019326344016389
2020011163036210
20210479038121
20220497027128
202311190021
202402340036
Total56337254124693405