*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970000011
1970000000
1971000000
1972000000
1973000000
1974000011
1975000000
1976000011
1977000011
1978000000
1979000000
1980001001
1981000000
1982001012
1983000000
1984001001
1985010001
1986000000
1987102014
1988001012
1989000101
1990001001
1991001001
1992011002
1993010001
1994060006
1995042017
1996030003
1997002002
1998040015
1999011013
2000034007
20011430210
200201850225
200301180019
20040990220
20051630313
20060440412
200701160724
20080450211
200914120118
201006100016
20110670316
201201170624
2013123230754
2014027170751
20150332501371
2016329250663
20170393801188
20180343601080
2019028330768
20200414601097
20210214101274
2022026280761
2023002013
2024011002
Total84204121133974