*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19701460011
1970000000
1971000000
1972000000
1973001001
1974001001
1975000000
1976000000
1977021003
1978000000
1979000000
1980001001
1981000000
1982011002
1983010001
1984000000
1985000000
1986000000
1987021003
1988012003
1989000000
1990011002
1991001001
1992022004
1993022004
199401030013
199511510017
199601610017
1997060006
1998060006
1999080008
2000040004
2001001023
2002035008
2003035008
200401100011
200501210013
2006021003
2007010001
2008010001
2009022004
2010011002
2011001001
2012010001
2013010001
2014060006
2015051006
20160930012
2017050005
20180920011
201901120013
202001310014
2021042006
2022050005
2023000000
2024000000
Total21865302243