*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970051902246
1970001012
19710610310
1972001023
1973003025
1974004026
19750530412
19760240410
19770280515
1978004059
19790130812
19800360413
19810220711
19820250714
19830160512
19840230813
19850270817
19860391619
198702200931
198804901124
1989013911235
19901331711567
19911241901559
19923102511251
19930272601467
199417144015131
199545138115109
19962423601696
1997114536018200
1998213429012177
199919823013135
2000212842021193
2001011431020165
2002010268110181
2003026259017338
2004036953017439
20051171108018298
20061149106020276
20071152148221324
20080290138220450
20092151177021351
20101135267021424
20111160281139482
20122328362052744
20134407281136729
20145514310160890
2015653846311001108
201625445250931164
2017674258101031432
201877466151981467
2019396282131171906
20205911110411202141
20211896106701862150
20221111449811041718
202304340139
202400120012
Total6710579857120159520832