*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197001120109122
1970003047
1971002079
1972001078
19730020810
19740270413
19750040711
19760320914
197700501217
19780020911
197901701523
198000301619
198100101617
198201801827
198300501217
198402601725
198503601625
1986051102137
1987022601745
1988012601946
1989063302362
1990215511740
19916122211556
199238622114126
1993235524121403
199451269340191327
199541594234181643
199621238191141274
1997241022122457
1998267419125721
199918913117121
20002978311281040
2001466433132734
200201038581211118
2003280445120872
200421052490241127
2005217469230277
2006170786227823
20070725110033868
20082328116936491
2009386146046281
20101351235057644
20116317295070688
20128602293193997
20131074257611031432
2014977942501291342
2015974163912471637
20161680670112471771
20171496485412352068
201814104682522802167
201914853103062692172
2020151050156003672992
2021101096143634953040
2022699894713032255
202315190227
202401230024
Total180226761097646374237620