*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970006028
1970000000
1971000000
1972000000
1973002002
1974000000
1975000011
1976000022
1977002024
1978003014
1979015006
1980003003
1981003014
1982003014
1983002013
1984001001
1985104005
1986006006
1987004015
1988013015
1989002035
19900170210
199103430248
199201250026
199301200324
199401290737
199500200121
199621230127
199712220429
199801130115
199902140420
200010130115
200144150326
200201180221
200310140217
200400150217
200500120315
200600210425
200700200424
200800280129
200920500254
201000410445
201121670373
2012136901184
201301910597
2014109409104
20150111409124
201600144019163
20170016208170
201820165011178
20190017904183
20200117605182
20210114307151
202201880089
2023004004
2024007007
Total1829201501602222