Year | Value | 2022 | 274,231 | 2021 | 279,271 | 2020 | 283,024 | 2019 | 286,365 | 2018 | 287,307 | 2017 | 285,330 | 2016 | 282,420 | 2015 | 277,524 | 2014 | 269,146 | 2013 | 259,262 | 2012 | 249,222 | 2011 | 238,287 | 2010 | 227,738 | 2009 | 218,581 | 2008 | 210,906 | 2007 | 204,337 | 2006 | 198,919 | 2005 | 194,387 | 2004 | 190,389 | 2003 | 187,403 | 2002 | 184,764 | 2001 | 182,060 | 2000 | 180,622 | 1999 | 180,433 | 1998 | 180,178 | 1997 | 179,601 | 1996 | 178,709 | 1995 | 175,552 | 1994 | 170,457 | 1993 | 166,024 | 1992 | 163,287 | 1991 | 162,301 | 1990 | 162,113 | 1989 | 161,478 | 1988 | 159,013 | 1987 | 154,030 | 1986 | 147,119 | 1985 | 139,072 | 1984 | 130,624 | 1983 | 122,445 | 1982 | 114,920 | 1981 | 108,090 | 1980 | 102,011 | 1979 | 96,817 | 1978 | 91,015 | 1977 | 84,172 | 1976 | 77,332 | 1975 | 70,512 | 1974 | 64,136 | 1973 | 59,858 | 1972 | 58,221 | 1971 | 58,458 | 1970 | 60,295 | 1969 | 63,386 | 1968 | 67,747 | 1967 | 72,418 | 1966 | 75,791 | 1965 | 77,290 | 1964 | 76,940 | 1963 | 74,331 | 1962 | 70,151 | 1961 | 66,469 | 1960 | 64,230 |
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