*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970402804678
1970003036
1971004059
1972002046
1973001045
19740070613
19751030711
19760070714
19770080816
19780080614
19790060814
19800070815
198100501217
198200401418
198300401115
198400601319
198501601118
1986031301026
1987022001335
1988021601735
1989072001239
19900222601361
199117420959
199206201936
199304459115119
199429893022215
199537251114141
199628069012163
19974163106120294
1998424062019325
1999313261020216
2000419179027301
2001418275029290
20023219134018374
20031243138018400
20041284110022417
20054166231030431
20064221215028468
20072164194225387
2008145359823436
2009470292061427
2010231331047411
201123458173537
201292764314123816
20136585111109982
201474994011241121
2015414126522561541
201652145212841744
20171214183112652123
2018109177552842083
20191813206682542359
202094241113302755
202128256733642944
202236210513072422
202311380141
202403520459
Total14228532137963348427921