Year | Value | 2022 | 218,234 | 2021 | 222,504 | 2020 | 224,994 | 2019 | 227,145 | 2018 | 227,439 | 2017 | 225,391 | 2016 | 222,607 | 2015 | 219,956 | 2014 | 219,999 | 2013 | 223,438 | 2012 | 230,643 | 2011 | 237,598 | 2010 | 245,082 | 2009 | 253,118 | 2008 | 258,092 | 2007 | 258,764 | 2006 | 257,521 | 2005 | 252,308 | 2004 | 240,941 | 2003 | 230,706 | 2002 | 224,245 | 2001 | 221,458 | 2000 | 222,073 | 1999 | 225,821 | 1998 | 231,873 | 1997 | 238,864 | 1996 | 245,307 | 1995 | 250,745 | 1994 | 258,976 | 1993 | 261,140 | 1992 | 261,403 | 1991 | 260,580 | 1990 | 260,266 | 1989 | 259,056 | 1988 | 256,066 | 1987 | 251,059 | 1986 | 243,829 | 1985 | 234,642 | 1984 | 224,935 | 1983 | 214,682 | 1982 | 204,575 | 1981 | 194,808 | 1980 | 184,264 | 1979 | 171,569 | 1978 | 155,235 | 1977 | 135,872 | 1976 | 116,437 | 1975 | 101,773 | 1974 | 95,792 | 1973 | 99,260 | 1972 | 110,699 | 1971 | 126,081 | 1970 | 140,951 | 1969 | 152,934 | 1968 | 160,664 | 1967 | 164,607 | 1966 | 166,006 | 1965 | 166,019 | 1964 | 166,335 | 1963 | 166,623 | 1962 | 167,073 | 1961 | 167,611 | 1960 | 166,463 |
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