*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
200311620468
200412680172
200502600567
200600480553
200700350843
2008016301680
200904380345
201001400546
20117811302130
2012626501184
2013103801352
2014413683013236
2015310139012164
201605129022156
2017313260027303
2018020164016200
2019324340016383
2020010163036209
20210379038120
20220492025121
2023000000
Total59326247124673325