Year | Value | 2022 | 470,336 | 2021 | 423,340 | 2020 | 384,393 | 2019 | 350,950 | 2018 | 339,459 | 2017 | 373,142 | 2016 | 431,552 | 2015 | 468,023 | 2014 | 498,127 | 2013 | 512,500 | 2012 | 489,048 | 2011 | 459,757 | 2010 | 426,231 | 2009 | 396,714 | 2008 | 379,348 | 2007 | 367,231 | 2006 | 353,465 | 2005 | 336,425 | 2004 | 319,548 | 2003 | 305,528 | 2002 | 294,505 | 2001 | 284,849 | 2000 | 274,839 | 1999 | 264,650 | 1998 | 256,789 | 1997 | 250,260 | 1996 | 244,018 | 1995 | 238,656 | 1994 | 231,394 | 1993 | 224,484 | 1992 | 219,326 | 1991 | 213,070 | 1990 | 206,222 | 1989 | 203,761 | 1988 | 204,901 | 1987 | 204,711 | 1986 | 202,509 | 1985 | 199,406 | 1984 | 196,425 | 1983 | 193,238 | 1982 | 189,650 | 1981 | 185,764 | 1980 | 181,742 | 1979 | 177,594 | 1978 | 173,315 | 1977 | 168,859 | 1976 | 164,221 | 1975 | 159,424 | 1974 | 155,268 | 1973 | 152,601 | 1972 | 151,909 | 1971 | 152,895 | 1970 | 154,709 | 1969 | 156,205 | 1968 | 156,242 | 1967 | 154,393 | 1966 | 151,109 | 1965 | 147,330 | 1964 | 143,396 | 1963 | 139,691 | 1962 | 136,592 | 1961 | 134,064 | 1960 | 131,877 |
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