*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19700080106114
1970000044
197100001010
1972000077
1973000077
1974001056
1975000099
197600101213
197700101314
197800101112
197900301922
198000501419
198100202022
198200002020
198300201719
198400001717
198500301922
198600301417
198700802230
198800402327
198900301720
199000532230
1991001602238
199200602228
1993001402943
199400912535
1995001012536
199600401721
199700802836
1998001212942
199900601521
2000001113547
2001001313751
2002002301841
2003001802038
2004001602642
2005001103344
2006001602844
2007001603753
2008002042549
2009002704067
2010001303043
2011005514197
20120065186152
20130097086183
2014001490142291
201500950146241
2016001580176334
2017002313250484
2018001721206379
2019001965121322
2020002350153388
2021002030172375
2022001260230356
2023006017
2024005027
Total0021122327614896