Year | Value | 2022 | 515,057 | 2021 | 494,330 | 2020 | 481,869 | 2019 | 463,581 | 2018 | 447,151 | 2017 | 446,744 | 2016 | 453,036 | 2015 | 466,472 | 2014 | 484,262 | 2013 | 489,245 | 2012 | 483,291 | 2011 | 478,581 | 2010 | 473,861 | 2009 | 457,930 | 2008 | 437,396 | 2007 | 423,899 | 2006 | 412,679 | 2005 | 397,956 | 2004 | 377,477 | 2003 | 353,762 | 2002 | 331,262 | 2001 | 308,842 | 2000 | 289,197 | 1999 | 274,009 | 1998 | 256,636 | 1997 | 244,753 | 1996 | 247,988 | 1995 | 252,443 | 1994 | 220,470 | 1993 | 220,895 | 1992 | 245,697 | 1991 | 236,539 | 1990 | 231,592 | 1989 | 226,984 | 1988 | 223,143 | 1987 | 219,162 | 1986 | 216,094 | 1985 | 215,749 | 1984 | 214,969 | 1983 | 213,571 | 1982 | 210,815 | 1981 | 209,178 | 1980 | 199,997 | 1979 | 189,675 | 1978 | 186,494 | 1977 | 181,294 | 1976 | 177,315 | 1975 | 174,789 | 1974 | 168,279 | 1973 | 158,729 | 1972 | 157,693 | 1971 | 157,026 | 1970 | 149,571 | 1969 | 146,137 | 1968 | 144,939 | 1967 | 142,057 | 1966 | 138,472 | 1965 | 134,881 | 1964 | 130,041 | 1963 | 125,177 | 1962 | 122,775 | 1961 | 119,163 | 1960 | 115,557 |
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