*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197012480226
1970003003
1971001001
1972001001
1973023005
1974025007
197552240031
1976016007
197701100011
1978113005
19790470011
19801450010
1981016007
19820370010
19830280010
1984036009
1985023005
19860290011
198702130015
19880980017
1989012160028
199004590054
1991027200047
1992119200040
199321601900181
199445513000585
1995105973000637
199674211500443
19975121022001237
1998128973400943
199916392300663
200018972900927
200128443001877
20020105677001133
20032126860001330
200418151086001614
20055893258001156
200641062180001246
200711080132001213
2008464813100783
2009769916200868
2010201191209001420
20111765727200946
2012101331278001619
201361301272001579
2014111407171001589
201581163301001472
201651050369001424
201771408485001900
201821246441001689
2019111323487001821
202081324673002005
202161455556002017
202271745413002165
202304180022
2024003003
Total2233120564470337878