*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197000002626
1970000022
1971000055
1972000022
1973000033
1974000033
1975000044
1976000033
1977000055
1978000088
1979000066
1980000077
1981000066
1982000066
1983000055
1984000066
1985000033
1986000088
1987000077
19880010910
198900001111
1990000088
1991003058
1992000055
199300001010
1994001078
199500401014
199600501015
199700401317
199800150924
199900101112
200000501015
200100201012
20020081918
20030041914
2004000099
200500301518
20060080715
200700621220
20080050712
20090060713
20100070916
2011001211225
2012002302043
2013005011566
2014005302679
20150070039109
20160087158146
201700106057163
201800123050173
201900155062217
202000193055248
202100141066207
20220073032105
2023000000
2024000000
Total00117478192000