*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197021502129
1970000011
1971000011
1972002024
1973100023
1974012014
1975002035
1976001168
19770031610
1978000044
1979002035
1980001056
1981000044
1982001056
1983001089
1984002035
1985001045
1986012058
1987004048
19880140813
19890140611
19900120912
19910071513
19920080513
19930060713
199404130926
19950060511
19961090515
19970350311
199800110516
19990060511
200001100617
200100150520
200201130115
2003006028
200403110721
200506150223
200600100313
200711141724
2008001901029
200901140722
201010260835
2011012701139
2012225111470
201301160825
2014135201167
20150482029115
2016236001984
201743122120150
20182980220113
20192584113105
2020310154024191
202121083061156
2022110148042201
2023225009
2024002013
Total2789122994911845