*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197044904057
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
20046727108016857
20056558200121786
200614553246114828
20070466192018676
200811281323111627
20097372384013776
201016400500019935
20118330562024924
2012209155460441525
2013610185820391645
20141010385550571660
20158129969701162120
201613144591501242497
2017171887116601153185
2018152100120911323457
2019252477132811153946
202052250184011254221
202162569166401234362
202272621147501264229
2023000000
Total26927454154696164944847