*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970023005
1970002002
1971001001
1972001001
1973001001
1974011002
1975001001
1976002002
1977001001
1978011002
1979003003
1980001001
1981000000
1982002002
1983001001
1984002002
1985013004
1986012003
1987042006
1988005005
1989053008
19900910010
19910940013
199215340058
199309450099
19940280400284
19950257500262
19960285500290
199707660082
19981255300259
199903410035
20000281700288
200118129400151
2002132591700289
20030116900125
200402651200277
20050901400104
200601102500135
200711772300201
2008078150093
200908150023
20100885200140
2011033400073
2012174220097
201311234400168
201411417100213
201501378500222
201611829500278
2017123711300351
2018128916500455
2019121916600386
2020127618500462
2021028513800423
2022126611100378
2023005005
2024000000
Total4352301509006782