Year | Value | 2022 | 221,431 | 2021 | 222,074 | 2020 | 223,480 | 2019 | 224,101 | 2018 | 223,407 | 2017 | 221,158 | 2016 | 217,247 | 2015 | 212,106 | 2014 | 207,496 | 2013 | 204,996 | 2012 | 203,264 | 2011 | 201,831 | 2010 | 201,307 | 2009 | 202,046 | 2008 | 202,786 | 2007 | 203,544 | 2006 | 204,410 | 2005 | 204,344 | 2004 | 203,506 | 2003 | 203,365 | 2002 | 204,919 | 2001 | 209,091 | 2000 | 214,854 | 1999 | 220,495 | 1998 | 226,824 | 1997 | 233,164 | 1996 | 238,394 | 1995 | 241,593 | 1994 | 242,892 | 1993 | 242,358 | 1992 | 239,068 | 1991 | 233,681 | 1990 | 229,264 | 1989 | 226,912 | 1988 | 226,147 | 1987 | 227,599 | 1986 | 230,400 | 1985 | 232,456 | 1984 | 232,173 | 1983 | 229,717 | 1982 | 226,573 | 1981 | 222,750 | 1980 | 220,402 | 1979 | 222,353 | 1978 | 227,638 | 1977 | 234,997 | 1976 | 244,273 | 1975 | 254,938 | 1974 | 267,094 | 1973 | 280,591 | 1972 | 293,059 | 1971 | 302,871 | 1970 | 311,286 | 1969 | 318,542 | 1968 | 323,584 | 1967 | 326,344 | 1966 | 327,777 | 1965 | 327,155 | 1964 | 323,521 | 1963 | 317,147 | 1962 | 309,410 | 1961 | 301,077 | 1960 | 291,697 |
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