*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19703103505199
1970006028
19710720716
1972004048
19730170614
197402100618
19750370919
19760350614
1977031201227
19780240814
1979041401028
198015701124
198101801726
1982041401634
1983011401732
1984051501131
1985051401231
1986092501145
1987064601769
19881123301864
19890155401685
199018131011124
1991344370993
19921112633015185
1993547852015550
19941518181100241967
1995151566542221659
1996121475591161563
1997121206701211310
1998201669771191786
19991170058118788
2000151896901312033
2001151564891371706
2002517601462171930
20031221991181172347
20041026811250222838
20051011662320261434
20061613773121291735
20072014963342291881
20081010634072151497
2009175205061331077
2010339167831321765
2011225968520501520
20124213128072662229
201355167711040662902
201462208710940813324
2015652289143902424035
2016762373178702294465
20171122960201742605353
20181083117224221795648
20191213446238382816239
2020443386352302137166
2021563709333101987294
2022383817243911166411
20232811204126
202401216601179
Total1076566882735535271187865