*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970043007
1970000000
1971000000
1972000000
1973001001
1974012003
1975103004
1976021003
1977000000
1978001001
1979001001
1980000000
1981001001
1982002002
1983000000
1984000000
1985103004
1986011002
1987012003
1988025007
19890460010
199001220014
19913920014
199223660044
199307760083
19942114900125
19951130500136
19960147400151
199707580083
19980113600119
199904540049
20000115900124
200109170098
200201491300162
2003072100082
20041126400131
2005074100084
200604480052
2007055210076
2008074240098
2009050270077
2010041520093
2011021380059
201201002800128
201311293700167
201411445900204
201501627400236
201602546200316
201742735100328
201862807900365
201922919900392
2020126610700374
202113138900403
202203014900350
2023013004
2024000000
Total2741991044005270