*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197011100517
1970002002
1971011002
1972001001
1973011002
1974005016
1975005005
1976022026
1977005027
1978013015
19790180110
1980014005
1981105039
198202130419
198300501015
198401401217
19850180918
198613150827
198702300739
198811270635
198915140828
1990171311133
1991818271458
199292262329269
199366203418669
1994112529430102593
199572369371102424
19961240141092452
1997433234115386
199851634420111692
19991442801184
200031621480171689
2001174047017805
20021134752191410
20033986500161055
200411815420171875
2005320374120301
20061947881241061
200721307981231431
20080581104014699
20091194116021332
20108704192031935
201124461223138747
201237382691481059
2013189054312391395
201489354461681458
20155108056821181773
201612120776201392120
20177139984421612413
201812140698921342543
201971022108871552279
202081313171801573196
202161185121812602670
20225113392321092172
202307180025
2024001012
Total197334391089932181346380