*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19700680014
1970001001
1971060006
1972000000
1973000000
1974000000
1975000000
1976001001
1977011002
1978001001
1979011002
1980002002
1981002002
1982014005
1983001001
1984000000
1985120003
1986010001
1987013004
1988021003
1989061007
1990061007
199111270020
19921540010
199302520027
199444790060
1995131130045
199625420058
19972108900119
199808150086
199905060056
2000161180080
2001065130078
2002073260099
200311832100205
200403532000373
200502022200224
20060983700135
20071956000156
200803284000368
20091644200107
201001257100196
20110257500100
201211646600231
201312075000258
201402554500300
201523317200405
201632679400364
201703317400405
201813508400435
2019239211100505
2020440914400557
2021447416000638
2022050810200610
2023041005
2024000000
Total3458101533007377