*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970232131204252
197044620153
197134610151
197246280276
197328420088
1974296400102
19754118902133
19767881602113
197781062402140
1978010617014137
197971171302139
1980101624703222
198171452404180
198291621402187
1983111822601220
198461993002237
198511482802179
19861148901159
19871181903194
198841851602207
19891161800170
19901174801184
199131041003120
19921128801138
199311381201152
19943149602160
199521101101124
19964118701130
19970126702135
19980127701135
199912291101242
200034013500439
200164334210482
200273992601433
200374636903542
20041040926010455
200584423001481
20061258658010666
200754733603517
200844502700481
2009145911401575
2010258016102745
2011142212001544
201244455800507
201335017501580
2014404893502566
20152049115002663
20162154011104676
20174058313105759
20181345922906707
201925427100615
202095355502601
202125489405649
202224376902510
20230432100433
2024000000
Total353156772229112518385