Year | Value | 2022 | 307,184 | 2021 | 293,831 | 2020 | 281,965 | 2019 | 269,939 | 2018 | 258,795 | 2017 | 248,795 | 2016 | 238,857 | 2015 | 231,206 | 2014 | 227,678 | 2013 | 227,287 | 2012 | 229,279 | 2011 | 229,552 | 2010 | 222,724 | 2009 | 215,822 | 2008 | 212,497 | 2007 | 207,852 | 2006 | 209,934 | 2005 | 225,005 | 2004 | 240,128 | 2003 | 241,837 | 2002 | 234,190 | 2001 | 220,245 | 2000 | 199,682 | 1999 | 178,094 | 1998 | 166,273 | 1997 | 165,755 | 1996 | 168,428 | 1995 | 172,876 | 1994 | 177,959 | 1993 | 182,201 | 1992 | 184,357 | 1991 | 183,929 | 1990 | 181,587 | 1989 | 178,093 | 1988 | 174,148 | 1987 | 171,121 | 1986 | 169,984 | 1985 | 168,793 | 1984 | 164,575 | 1983 | 154,548 | 1982 | 140,106 | 1981 | 124,778 | 1980 | 112,939 | 1979 | 111,638 | 1978 | 122,251 | 1977 | 139,263 | 1976 | 156,938 | 1975 | 171,915 | 1974 | 180,922 | 1973 | 184,709 | 1972 | 186,469 | 1971 | 188,356 | 1970 | 191,313 | 1969 | 194,205 | 1968 | 196,849 | 1967 | 199,539 | 1966 | 201,585 | 1965 | 201,859 | 1964 | 200,569 | 1963 | 197,991 | 1962 | 193,540 | 1961 | 187,592 | 1960 | 181,295 |
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