*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197013140220
1970001001
1971002002
1972001001
1973013015
1974020002
1975002002
1976022004
1977003003
1978003014
1979014005
1980012003
1981001012
1982012003
1983005005
1984002002
1985102014
19860080210
19870270312
1988026008
19890680216
19900840416
19913890121
1992256140072
1993181100193
199404041905428
199514121403430
19960316500321
199711311101144
19981320704332
1999040100151
200002751402291
2001081150298
200212321800251
2003255130373
200402651402281
200501151900134
200611151503134
200701181303134
2008068280096
2009012260038
20100754501121
2011147241275
20121842905119
201311084903161
201411037803185
201511127308194
2016214176012231
2017215491111259
2018317312501302
201901297701207
2020015214802302
202111359306235
202231418704235
2023020002
2024002002
Total314689135321076182