*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197040140018
1970002002
1971001001
1972001001
1973001001
1974001001
1975013004
1976005005
1977009009
1978105006
1979205007
19808040012
1981110150026
1982174140035
198324420030
19844240010
1985102003
198611120014
198712120015
198840240028
198933180024
199076280041
199173330043
199217210029
199346400050
1994552410098
1995714510072
1996520240049
19977258401117
19985257200102
199956320043
200010407100121
2001143740091
2002419501101
20037310200112
2004249600102
20058210300113
2006174730094
200710611100127
20083211800123
200951413000149
201016012800144
201111314500159
20128718500200
201310222500237
20148628800302
2015271248200521
201628758100616
2017151576701798
201851564700667
2019171078500812
2020121071200734
202113880500826
20225359900607
202300170017
202403280031
Total3893617947038700