*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19700260117125
1970004048
197101101012
1972001078
1973011079
19740160714
19750230914
197603301319
1977011001223
197802101215
197901201619
198000201719
198100001818
198202302025
198301302125
198401002122
198500202022
198615502132
1987041002034
198808502134
1989281201941
19903341121767
199112111321452
19925111612154
19932242212170
199408143025149
19953201312360
19964372411985
199719823128151
1998611042022180
199925830019109
200017631029137
200138029030142
200206957017143
200328255018157
200419630026153
200508053030163
200647999031213
200728584433208
2008145138831223
2009122146038207
2010329228054314
2011018331165415
201231843051128621
201372704003126806
2014103313720171884
20151546855003001333
20161353163434051586
20171362277633751789
20181569884533771938
201917833103193272217
20203772138513932554
20219967142135142914
202211108888423472332
202312430046
202401190323
Total17680551026350448923033