*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197000260106132
1970001045
197100301013
1972001078
19730050712
1974002057
1975000099
197600101415
197700201315
197800201113
197900302124
198000501419
198100302023
198200102021
198300301720
198400101819
198500401923
198600301417
198700902231
198800402327
198900401721
199000532230
1991001702239
199200602228
1993001402943
199400912535
1995001112537
199600401721
199700802836
1998001212942
199900601521
2000001113547
2001001513753
2002002301841
2003002002040
2004001702643
2005001303346
2006001602844
2007001803755
2008002042549
2009002704067
2010001303043
2011005514197
20120065186152
20130098086184
2014001490142291
201500950146241
2016001580176334
2017002313251485
2018001721206379
2019001975121323
2020002370153390
2021002030172375
2022002470286533
2023004010194595
2024002690164433
2025002046
Total0029472331826152