*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197018190634
1970009009
197101100314
1972002013
1973011013
1974015006
19752480115
19760170412
197700140216
1978023005
197903120318
19801480316
198101100819
198201130519
19830490619
19840370616
19850340714
19860780318
198704140523
198819150429
1989014180941
1990159281796
1991224251355
199237380755
1993136460790
1994310014209254
1995879117111216
199667614007229
199739952909640
19986100407010523
1999474384010472
2000460585018667
2001427579120631
200214373002776
20034669740151059
2004524412970151561
20053209633017862
20065879340161042
2007378874122978
20086240622112881
20094476410019909
20105456425018904
20112208438018666
2012105835260321151
201386755931271304
2014610344461401527
2015710695940701740
20165116971301001987
20171512828100702177
2018814468170552326
20191015658642712512
20203142812000462677
202112167311870922964
20221017697300712580
202316140021
2024000000
Total183166281903710102336881