*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197014707688
1970003025
19710010910
1972001078
1973001089
19740260513
19750040812
19760230813
197701301014
19780120912
197902801222
198001501420
198100701320
198202901829
198301501420
198401701523
198502801727
1986121801940
1987032501644
1988022301944
1989163901763
1990322811852
19916204301180
1992521226120264
1993964526121702
199471988520222069
199541944474232022
199622001401152059
1997169626330756
199811080301181130
1999111317123155
200011013561321103
2001286268135968
200231454792381576
200321022652241115
200451717611281812
2005229361130387
2006077176230879
2007213941182351551
20083675151126856
20092113157042314
20100394302145742
20110301349174725
20125814118801512158
20132877109402622235
201413951169302892946
2015101350236406424366
201661416244305464411
2017101860378516976353
2018161876363749626495
2019292057438058197290
2020038522807051318
20211290101293
2022021014
Total156306402285738603159722