*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19700030912
1970000011
1971000000
1972000000
1973000000
1974002002
1975001012
1976000011
1977003014
1978000000
1979002013
1980001023
1981000011
1982101013
1983202015
198460270033
19853140715
1986003014
1987003014
1988103026
1989002035
19903290216
199112130117
199200150217
199360220331
1994922201750
1995522801853
1996802502053
1997912001343
19981104101870
1999713402264
200040650776
2001603502263
2002713702772
2003902903270
2004713301152
2005303302965
2006003702461
2007205801474
200800670976
2009006201678
20101185014101
201121100015118
201243217032256
2013511471057544
201442427071504
20151035350100648
20161135970122733
20177789101411046
201896116001621337
2019209100601451180
202000741185260
202111150017
2022013004
Total184616323113847953