*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970532110066
1970201003
1971201003
1972200002
1973201003
1974200002
1975200002
1976201003
1977204006
1978101002
19792090011
19803080011
198120100012
19822070110
19832080010
19842090011
198520130015
198620130015
19872090011
198830180223
198940170021
199050280033
199140290134
199250400045
199351340141
199453530162
199551630170
199640650069
199730570262
199840690073
199940600064
200050620067
200160800187
200250780083
20035116300169
20046011504125
20055113600142
20064112501131
20074014300147
20081017401176
20096026500271
20106028000286
20115131203321
20125030906320
20133035601360
20145039604405
20156147603486
201613157203589
20175269905711
20185170706719
20193380606818
20206177405786
20216085704867
20222178801792
202311370140
2024003014
Total2582293520659697