Year | Value | 2022 | 271,892 | 2021 | 270,912 | 2020 | 271,860 | 2019 | 275,645 | 2018 | 280,988 | 2017 | 286,925 | 2016 | 293,258 | 2015 | 298,867 | 2014 | 301,961 | 2013 | 300,771 | 2012 | 294,445 | 2011 | 282,483 | 2010 | 266,658 | 2009 | 250,742 | 2008 | 236,500 | 2007 | 224,853 | 2006 | 217,155 | 2005 | 212,236 | 2004 | 207,017 | 2003 | 201,647 | 2002 | 198,607 | 2001 | 197,899 | 2000 | 199,159 | 1999 | 201,757 | 1998 | 205,291 | 1997 | 208,612 | 1996 | 211,098 | 1995 | 214,069 | 1994 | 217,392 | 1993 | 220,850 | 1992 | 225,168 | 1991 | 231,507 | 1990 | 239,451 | 1989 | 242,798 | 1988 | 240,966 | 1987 | 239,099 | 1986 | 235,339 | 1985 | 228,169 | 1984 | 225,120 | 1983 | 227,703 | 1982 | 230,164 | 1981 | 232,313 | 1980 | 233,983 | 1979 | 234,872 | 1978 | 234,804 | 1977 | 233,327 | 1976 | 230,920 | 1975 | 228,343 | 1974 | 224,614 | 1973 | 220,198 | 1972 | 216,817 | 1971 | 213,975 | 1970 | 210,426 | 1969 | 205,880 | 1968 | 201,864 | 1967 | 197,991 | 1966 | 193,135 | 1965 | 188,386 | 1964 | 184,479 | 1963 | 181,090 | 1962 | 177,511 | 1961 | 174,141 | 1960 | 170,739 |
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