Year | Value | 2022 | 483,655 | 2021 | 484,393 | 2020 | 481,941 | 2019 | 479,821 | 2018 | 477,157 | 2017 | 470,415 | 2016 | 459,155 | 2015 | 434,892 | 2014 | 394,173 | 2013 | 349,076 | 2012 | 326,083 | 2011 | 321,031 | 2010 | 313,403 | 2009 | 306,828 | 2008 | 299,731 | 2007 | 291,633 | 2006 | 272,442 | 2005 | 253,435 | 2004 | 245,984 | 2003 | 239,335 | 2002 | 234,226 | 2001 | 230,259 | 2000 | 227,070 | 1999 | 224,566 | 1998 | 222,514 | 1997 | 220,407 | 1996 | 217,338 | 1995 | 212,214 | 1994 | 204,509 | 1993 | 194,787 | 1992 | 184,009 | 1991 | 173,172 | 1990 | 162,921 | 1989 | 154,042 | 1988 | 146,296 | 1987 | 138,741 | 1986 | 131,340 | 1985 | 123,994 | 1984 | 116,793 | 1983 | 109,892 | 1982 | 103,347 | 1981 | 97,293 | 1980 | 91,861 | 1979 | 87,111 | 1978 | 82,941 | 1977 | 79,150 | 1976 | 75,667 | 1975 | 72,431 | 1974 | 69,434 | 1973 | 66,703 | 1972 | 64,056 | 1971 | 61,260 | 1970 | 58,177 | 1969 | 54,776 | 1968 | 51,170 | 1967 | 47,734 | 1966 | 44,897 | 1965 | 42,807 | 1964 | 41,436 | 1963 | 40,596 | 1962 | 39,924 | 1961 | 39,054 | 1960 | 37,746 |
|