*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197057115034125
197001050217
197111150118
19720910414
197302210124
197404910151
19752891404109
19762702907108
19771871809115
197804330854
1979050180977
198002115909279
1981122218017258
1982115314014182
198309816016130
19840671601194
198505490871
1986032100749
19870791507101
19883941318119
1989057111776
19904835110103
1991156141577
199257260790
1993383619102
19943431401171
19954443101190
1996748260889
19970592111192
19981563409100
199914590863
200055435013107
20012683309112
2002345430798
20033633107104
200437742015137
200527750010139
200621443808192
2007319661012272
2008114170011223
2009122663023313
2010321865023309
2011213184026243
20129180162026377
20132250110034396
2014326092017372
20153303175057538
20160283174083540
201753012160105627
20180143151264360
20192214135229382
2020024113037291
20212222000224
2022010001
Total10160052300108899305