*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197010103335
1970001012
1971001012
1972001012
1973000022
1974001034
1975011035
1976001045
19771130510
19780150511
19790060410
1980001056
19812480822
19820060713
1983012047
1984004048
19850070411
1986013048
19870170816
1988011001021
1989033001447
1990096611389
1991014590780
1992035280669
199308441114140
1994119753017268
1995322354111292
199602113909259
199719435018148
19980812308112
1999154001157
2000014944018211
2001112946015191
2002011877010205
200357754217155
2004114356010210
20050383911593
20060414101597
2007017535017227
200827529011117
2009084101867
201035760017137
201102298017137
201207797024198
20132110119028259
20141112147044304
20150133173079385
20162195213082492
20172196287072557
20188223292080603
20195259291076631
2020559177188762
20218586490100743
2022744768097619
202311250330
2024002035
Total6349292997712009196