*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197000508186
1970000033
197100001010
1972000077
1973001056
1974002057
1975001089
197600101617
197700301316
197800801725
197900701421
198000301518
198100102021
198200702027
198300201618
198400101718
198500121316
198600502126
1987001222741
1988001102435
198900521825
1990001061834
1991005732282
1992004802270
1993003104677
1994004923687
1995005123588
1996005203082
1997004343683
1998003804785
1999003002959
2000003504883
20010052253107
2002005314195
2003004503479
2004002004060
2005004703683
20060072048120
20070060575140
200800991753169
200900100094194
20100065180146
2011002131112326
20120033629246611
20130035433295682
2014004254309738
20150059114531045
20160066025731235
20170088807371625
201800106417991864
20190092465471477
20200083915831423
20210072507071432
20220048526131100
202300100515
202400100818
Total008657129728016066