*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19700660012
1970001001
1971060006
1972000000
1973010001
1974010001
1975110002
1976001001
1977012003
1978011002
1979102003
1980000000
1981001001
1982001001
1983000000
1984010001
1985014005
1986034007
19870280010
19880380011
19890290011
199001230015
19911770015
199215060057
1993082100092
19942881700107
1995069130082
199607760083
1997143150059
19980991000109
199902970036
2000172140087
2001060160076
2002072130085
2003167170085
200421031800123
20051871700105
2006176170094
20070754300118
2008070280098
2009225290056
2010027630090
2011019580077
20122695600127
201321073800147
201471296100197
201511948700282
201622049000296
201762429500343
201833139600412
2019628812200416
2020533816000503
2021134114700489
202214087400483
2023035008
2024000000
Total5139741506005531