*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19700840012
1970011002
1971051006
1972000000
1973001001
1974001001
1975011002
1976013004
1977002002
1978001001
1979000000
1980001001
1981002002
1982001001
1983001012
1984020002
1985001001
1986005005
19870280010
19880780015
1989072009
199002870035
199112360030
199232470034
199336680077
199431121900134
19954851100100
199628130187
19973781900100
199827870087
199914060047
20002114600122
20011821700100
20020942500119
200331303000163
200431922400219
200511064000147
200661504700203
200731978000280
200821695900230
20092587200132
201058311700205
20110659500160
2012102146500289
201362828400372
201433549500452
201593838100473
2016636210600474
2017741811600541
2018947215000631
20191554315800716
2020171718800906
2021369721400914
2022377413200909
202302180020
2024000000
Total12273072156029587