*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19700310095108
1970003047
19710210912
1972001078
19730120811
19740070613
19750210811
197601201114
197700601319
19780020911
197900101516
198000701522
198100401317
198201701725
198301401722
198402201721
198500511420
198600701825
198703901830
1988051502141
1989161901945
1990251002138
19918182501566
19925102911661
1993103868124141
1994463178022267
1995754146321231
1996181199016297
199726159025147
1998220148020190
19990262201967
2000422195027248
2001711171027216
2002211283215313
2003529268220324
2004218223027270
2005204081232175
2006314190132240
2007740341133422
2008264147124238
2009134109036180
20102141138045326
2011286134057279
201210158187261418
20135234285063587
20145331278297713
201552933483146795
2016112853473152798
2017143094320132887
201882893961133827
2019213255154134999
2020744678811891431
20211343267702351357
20221540648911571068
202301270230
202402190223
Total2134424806732243115167