*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19702080212
1970000000
1971002013
1972000011
1973002002
1974062008
1975023027
1976002013
197703130117
19780380011
197922120016
1980006017
1981015017
198200130215
19831080110
1984003025
19851360010
198615150021
198716120221
198823150121
1989610120129
1990211290244
1991715390061
199207350143
19931211590183
19941221480081
199597490368
1996923420276
1997423620392
1998316540376
1999211490567
200028430255
200126580369
200213810287
20031059703115
20049208802119
20058613503152
20062711700126
20071511214123
20080213301136
20094321300220
20102426404274
201110937005394
201236463012484
20131950008518
201467426016455
20157550907528
201686607013634
201718689508927
2018111011060111138
20191991063051096
20208710900131118
20213697509993
20223495508970
202300100010
2024001012
Total21434210924117911660