*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970141007691
1970003025
19710010910
1972001078
1973001089
19740270514
19750040812
19760230813
197701301014
19780120912
197902801323
198001501420
198100701320
198202901829
198301501420
198401701523
198502701726
1986121701939
1987032501644
1988022301944
1989163901763
1990322811852
19916184401179
1992521226120264
1993964320121694
199471980510222060
199541944384232013
199622001381152057
1997169625330755
199811080301181130
1999111317123155
200001013521321098
2001286255134954
200221453792381574
200321020612241109
200451715561281805
2005229361126383
2006077173230876
2007213941132341545
20083672147126849
20092110144041297
20100393291143728
20110293327174695
2012469043201011227
201326404022751121
20141076547601171368
2015896568442321893
20166107381812062104
201771395127422712949
201861298114773512809
2019171234115172712680
202051282185713533498
202141244172535663542
202261340113212792758
202306260133
202406280034
Total137306681309556377147727