*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970000000
1970010001
1971010001
1972000000
1973001001
1974000000
1975000000
1976000000
1977002002
1978010001
1979001001
1980001001
1981002024
1982002002
1983000000
1984000000
1985000011
1986013004
1987023005
1988012003
1989032005
1990014005
1991022004
199212120015
19931480013
1994135009
19950780015
199617110019
19971290012
1998033006
1999032005
2000144009
2001004004
2002036009
200302100012
200403130016
200501670023
2006035008
20071390013
200804110015
200907140021
201002150017
201103150018
2012018100028
201302240026
201402070027
2015018110029
201602790036
2017040140054
2018056180074
2019041200061
202006250031
2021013160029
20220790016
2023010001
2024002002
Total736334103714