Year | Value | 2022 | 290,040 | 2021 | 289,227 | 2020 | 288,714 | 2019 | 286,648 | 2018 | 286,175 | 2017 | 286,552 | 2016 | 287,164 | 2015 | 287,722 | 2014 | 286,487 | 2013 | 282,139 | 2012 | 273,235 | 2011 | 259,970 | 2010 | 249,174 | 2009 | 245,558 | 2008 | 248,247 | 2007 | 256,265 | 2006 | 265,983 | 2005 | 272,721 | 2004 | 276,594 | 2003 | 279,189 | 2002 | 281,105 | 2001 | 282,594 | 2000 | 283,201 | 1999 | 283,197 | 1998 | 282,481 | 1997 | 279,923 | 1996 | 275,439 | 1995 | 269,029 | 1994 | 260,173 | 1993 | 248,724 | 1992 | 235,779 | 1991 | 222,376 | 1990 | 208,689 | 1989 | 196,874 | 1988 | 188,120 | 1987 | 181,863 | 1986 | 178,107 | 1985 | 177,170 | 1984 | 179,019 | 1983 | 182,872 | 1982 | 188,013 | 1981 | 193,820 | 1980 | 198,571 | 1979 | 201,587 | 1978 | 202,186 | 1977 | 200,993 | 1976 | 198,517 | 1975 | 194,564 | 1974 | 190,895 | 1973 | 187,514 | 1972 | 183,420 | 1971 | 178,191 | 1970 | 172,286 | 1969 | 165,892 | 1968 | 158,751 | 1967 | 150,611 | 1966 | 141,776 | 1965 | 132,944 | 1964 | 124,737 | 1963 | 117,222 | 1962 | 110,571 | 1961 | 104,898 | 1960 | 100,680 |
|