*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19702260111
1970011002
1971030003
1972000000
1973050005
1974000000
1975023005
1976003003
1977015006
1978061007
1979171009
19801540010
1981134008
1982041005
1983006006
1984003003
1985003003
1986053008
1987016007
1988041005
19890380011
199001230015
19916640016
199221070120
1993016130029
1994433190056
19951019170046
1996522280055
199728702300121
1998659150080
1999446300080
200037412500103
2001649150171
2002245330080
2003540150060
2004457330094
2005445290078
2006244330079
2007140310072
2008128320061
2009433510088
2010123500074
2011123450069
2012029400069
20131706200133
201431143800155
201511487000219
201651429100238
2017217911700298
201831537600232
2019101508200242
202042399900342
202161989600300
2022525013500390
20230760013
2024000000
Total17824921522034195