*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970026019
1970002002
1971001001
1972001001
1973001012
1974012014
1975022026
1976032016
1977013026
1978012003
1979001001
1980002013
1981002013
198201100213
1983002002
1984027009
1985024028
1986045009
198704200125
198801210224
198904290134
1990121100032
1991117140032
199211561800175
199314141600431
19942169925021728
19950192720021949
19961169826021727
199704111902432
19980608901618
199901561200168
20004111431011150
200108982802928
20020153454011589
20031108430011116
20042174730041783
200503673800405
200608664914920
200717846901855
200804647500539
2009014511100256
2010051615600672
2011032218007509
2012357216801744
201315783209011008
20143964267051239
201531075377021457
201611151367001519
201761423488041921
201891611515002135
201981413557041982
202051601731042341
202111349557051912
202221507396001905
202315100016
2024000011
Total7230430578717536365