*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19701450212
1970001001
1971040015
1972000000
1973013004
1974022004
1975014005
1976024006
19771180010
1978101002
19790570012
1980016007
1981015006
1982013004
1983043007
1984030003
1985023016
198616110018
198711120216
198818100019
198938140126
199043690049
1991819160043
199208160024
1993330170050
19941763402113
1995437230064
1996537230267
19976913200129
19982723303110
1999242260070
20000752802105
20014963102133
20021754201119
200321247000196
200411223900162
2005412510000229
200641668000250
20070588700145
200823812300163
200918115303238
201037121900293
201105434300397
2012517630700488
2013321315600372
2014102459300348
2015928611501411
2016338114801533
2017747122901708
20181359525300861
20191664626902933
2020362130200926
2021071621902937
2022265718101841
202303320035
202411200022
Total1386599397003010737