*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970003025
1970000000
1971000000
1972000000
1973000022
1974000000
1975000022
1976000011
1977000011
1978000011
1979000033
1980000000
1981001001
1982002002
1983000011
1984001012
1985000033
1986001012
1987004037
1988001001
1989004004
1990005038
1991007018
1992004004
1993005049
199400120315
199500152320
199600110213
1997002024
1998007029
1999003058
20000080412
200100190120
200200131115
200300100010
200400140014
20050070411
200600100616
200700120214
200800110011
200900131216
2010006039
201100220830
201200530861
201300450651
201400500454
2015006801179
2016008401397
201700119010129
20180011106117
201900111017128
20200014609155
20210016106167
202200600363
2023001001
Total00124241701416