*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197003130016
1970010001
1971071008
1972001001
1973001001
1974000000
1975000000
1976102003
1977003003
1978002002
1979111003
1980014005
1981001001
1982002002
1983000000
1984001012
1985001001
1986013004
1987023005
1988015006
1989026008
1990001001
1991423009
1992033006
1993015006
1994015006
1995006006
1996024006
19970370010
1998032005
1999006006
2000004004
2001112004
200203250028
200304420046
200404330037
2005019150034
200604190023
2007210200032
200802170019
2009014110025
2010016210037
201107130020
2012178190098
2013221310054
2014650400096
2015540290074
20161326900102
2017242160060
2018132200053
2019137190057
2020037310068
2021251220075
2022055230078
2023311110025
202443430041
Total37638647011323