Year | Value | 2022 | 542,145 | 2021 | 543,187 | 2020 | 553,668 | 2019 | 560,152 | 2018 | 560,183 | 2017 | 552,789 | 2016 | 538,959 | 2015 | 521,370 | 2014 | 502,481 | 2013 | 483,850 | 2012 | 467,067 | 2011 | 453,527 | 2010 | 441,916 | 2009 | 429,962 | 2008 | 414,120 | 2007 | 395,708 | 2006 | 372,218 | 2005 | 338,204 | 2004 | 297,057 | 2003 | 258,285 | 2002 | 233,560 | 2001 | 231,352 | 2000 | 253,157 | 1999 | 292,057 | 1998 | 337,009 | 1997 | 376,621 | 1996 | 399,984 | 1995 | 403,563 | 1994 | 392,107 | 1993 | 367,980 | 1992 | 338,629 | 1991 | 316,198 | 1990 | 305,834 | 1989 | 311,155 | 1988 | 336,191 | 1987 | 360,502 | 1986 | 385,056 | 1985 | 394,157 | 1984 | 385,636 | 1983 | 365,345 | 1982 | 336,615 | 1981 | 305,533 | 1980 | 278,038 | 1979 | 255,177 | 1978 | 235,393 | 1977 | 221,123 | 1976 | 213,089 | 1975 | 211,457 | 1974 | 216,953 | 1973 | 230,840 | 1972 | 249,534 | 1971 | 265,397 | 1970 | 273,471 | 1969 | 273,146 | 1968 | 264,050 | 1967 | 248,969 | 1966 | 234,180 | 1965 | 223,369 | 1964 | 215,940 | 1963 | 211,228 | 1962 | 208,472 | 1961 | 204,158 | 1960 | 195,753 |
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