Year | Value | 2022 | 224,463 | 2021 | 224,324 | 2020 | 224,474 | 2019 | 224,715 | 2018 | 223,892 | 2017 | 222,170 | 2016 | 219,556 | 2015 | 216,374 | 2014 | 213,369 | 2013 | 209,954 | 2012 | 206,413 | 2011 | 202,744 | 2010 | 198,889 | 2009 | 195,472 | 2008 | 191,920 | 2007 | 189,205 | 2006 | 188,209 | 2005 | 188,079 | 2004 | 188,820 | 2003 | 190,452 | 2002 | 192,427 | 2001 | 198,969 | 2000 | 205,095 | 1999 | 206,430 | 1998 | 208,771 | 1997 | 212,297 | 1996 | 215,525 | 1995 | 217,454 | 1994 | 217,839 | 1993 | 216,478 | 1992 | 212,507 | 1991 | 206,379 | 1990 | 199,727 | 1989 | 194,973 | 1988 | 191,895 | 1987 | 189,618 | 1986 | 188,811 | 1985 | 188,676 | 1984 | 188,184 | 1983 | 186,810 | 1982 | 185,404 | 1981 | 183,691 | 1980 | 182,300 | 1979 | 183,717 | 1978 | 188,109 | 1977 | 194,526 | 1976 | 204,713 | 1975 | 217,667 | 1974 | 228,743 | 1973 | 237,916 | 1972 | 246,000 | 1971 | 251,429 | 1970 | 256,154 | 1969 | 262,854 | 1968 | 268,815 | 1967 | 271,160 | 1966 | 269,350 | 1965 | 263,024 | 1964 | 254,509 | 1963 | 246,219 | 1962 | 238,770 | 1961 | 231,819 | 1960 | 227,166 |
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