*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970441204060
1970004015
1971030014
1972001045
1973013037
19740240410
19750450413
19760350917
197701120518
19780220610
197917100826
198005801124
198102501219
198203801021
1983031001427
198403501018
19851150916
1986091301335
1987032601847
1988162301646
19890122801151
199096723014113
19918263101075
1992119220951
199378634011138
1994318472016275
1995510942015171
1996913559015218
1997656755016644
199844136709493
1999133059013403
2000152946017593
2001555158017631
20022434101014551
20031624122012759
20046727110016859
20056558200121786
200614553247114829
20071466195018680
200811281323111627
20097372385013777
201016400500019935
20118330562024924
2012189175460441525
2013410205840391647
2014910395560571661
20156130169901162122
201611144791601242498
2017151889116801153187
2018122106121011323461
2019202482133311153951
202042259184611254235
202142579168101234387
202242688158501334410
202319460056
202403450149
Total24627574157176165745200