*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19701390013
1970001001
1971010001
1972000000
1973001001
1974023005
1975011002
1976023005
1977002002
1978011002
1979011002
1980001001
1981001001
1982012003
1983021003
1984001001
1985024006
1986002002
1987025007
19880390012
19890560011
19902680016
199147110022
199262220030
199316300037
1994019510070
1995310570070
199629710082
1997014180032
1998012330045
199904140018
200006620068
200118280037
2002113400054
2003011400051
200402114300164
2005014450059
2006618520076
2007029480077
2008020410061
2009010350045
201013710000138
2011021470068
20120725300125
20131857400160
20144928100177
2015111110300215
2016212711600245
2017117816000339
2018117918900369
2019624621300465
2020230530100608
2021327134600620
2022429818700489
2023009009
2024004004
Total5322872886005226