*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197001110012
1970003003
1971001001
1972001001
1973002002
1974002002
1975000000
1976021003
1977001001
1978003003
1979001001
1980001001
1981001001
1982005005
1983001001
1984003003
1985002002
1986011002
1987004004
1988117009
19890560011
19901710110
199101220014
199211540020
199305380061
199413931200406
19952307900318
19960359400363
199703160037
19980228800236
199902750032
200003391200351
20010175401180
200204461400460
200301571700174
20040482800490
20050911602109
200604562101478
200704492100470
2008079200099
20091714801121
201002074700254
201101894603238
201202425001293
2013324711800368
201423078100390
2015045411800572
2016142912200552
2017245314500600
2018241618603607
2019137219802573
2020145223101685
2021234216303510
2022036917900548
2023001001
2024001001
Total218666198301910689