*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197020104043
1970102047
1971100078
1972100034
1973000066
1974002035
19750030710
197601101113
1977021001224
19785160820
1979812201243
1980203301449
1981633401659
198215067020102
1983812601247
19841521702357
19851202301550
19861641201951
1987811502347
19881161712257
1989821702350
19901165821693
19913712113118181
199219696019140
19933722189032280
19943230168139270
1995387139025209
1996242597029175
19971423115041193
19982233102030187
1999191883125146
20001820133033204
20012010108034172
2002115197029242
2003183175136233
20041921185028253
20052112245036314
20063412282031359
2007238199329262
200887286629336
20091220477043552
2010565669045775
2011238816357907
201218958210125744
20131740586751701
2014133117814227
201516598012131
2016130400558
2017200002
Total71442267243712019098