*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197053110120
1970000000
1971000000
1972001001
1973002002
1974122016
1975002013
1976012003
1977001001
1978003003
1979006006
1980002002
1981000000
1982006017
1983002002
1984012003
1985007007
1986015006
198700160016
19880580215
1989023027
1990007007
199101110012
199212140017
199302130015
1994013150028
1995113220036
199608220030
199702140016
19981790017
19991180010
2000013320045
200113220026
2002014300044
200326260034
2004113140331
200529300142
200604310035
200703470050
200801301032
200905370042
2010027590187
201107750082
2012014740088
20131299501126
201403311501149
201554116100207
201635519500253
201734823600287
201836023900302
201926726504338
202035134100395
202114330200346
202205410000154
202300160016
2024000000
Total3766427881193509