*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197026110120
1970002002
1971040004
1972000000
1973011002
1974010001
1975013004
1976011002
1977012003
1978001001
1979002002
1980011002
1981021003
1982002002
1983022004
1984001001
1985002002
1986011002
19870480012
19880640010
1989081009
199001740021
1991041005
1992152008
199312660033
1994252190073
199511560022
199642490037
1997650100066
1998362130078
199946570076
2000273200095
200111041901125
2002253290084
200311352700163
200432263200261
20052852000107
200621005000152
200711144800163
200821903600228
20095657200142
201041368500225
20111578000138
201261414700194
201332887900370
201492867200367
20151235110000463
20161635810100475
2017104019100502
20181644411200572
20191546515800638
2020558814600739
20211357116800752
20221162712500763
202322140018
2024000000
Total16862191854028243