*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970225009
1970000000
1971000000
1972000000
1973002002
1974022004
1975023005
1976022004
1977023005
1978011002
1979033006
1980012003
1981005005
1982024006
1983001001
1984013004
1985031004
1986022004
198705130018
198803200023
198906240030
199021870027
199131490026
19921252700260
199315391500555
19942149933001534
19950118822001210
19960136311001374
199718641500880
19981112615001142
199902171600233
20001117425001200
200115612000582
200249433700984
200307614100802
20040123129001260
200504523100483
200605266400590
200708547800932
200804537400527
20092708100153
2010034017400514
2011024613400380
2012550213602645
2013465219300849
2014863525500898
20157879281001167
201610926336001272
201713964373001350
201891117416001542
201991020421001450
202061214529001749
202111301533001835
202221269475001746
202305120017
2024000000
Total952521249940230303