Year | Value | 2022 | 593,149 | 2021 | 587,925 | 2020 | 582,640 | 2019 | 577,030 | 2018 | 571,202 | 2017 | 564,954 | 2016 | 558,394 | 2015 | 552,166 | 2014 | 546,076 | 2013 | 539,940 | 2012 | 533,864 | 2011 | 527,521 | 2010 | 521,212 | 2009 | 515,638 | 2008 | 510,336 | 2007 | 504,733 | 2006 | 498,884 | 2005 | 492,827 | 2004 | 486,583 | 2003 | 480,089 | 2002 | 473,231 | 2001 | 465,958 | 2000 | 458,251 | 1999 | 449,627 | 1998 | 440,214 | 1997 | 430,654 | 1996 | 421,007 | 1995 | 411,382 | 1994 | 401,655 | 1993 | 391,749 | 1992 | 381,947 | 1991 | 372,721 | 1990 | 364,563 | 1989 | 358,150 | 1988 | 353,233 | 1987 | 348,718 | 1986 | 344,271 | 1985 | 339,874 | 1984 | 335,473 | 1983 | 330,971 | 1982 | 326,319 | 1981 | 321,634 | 1980 | 317,234 | 1979 | 313,995 | 1978 | 311,685 | 1977 | 309,389 | 1976 | 307,015 | 1975 | 304,375 | 1974 | 301,682 | 1973 | 299,191 | 1972 | 296,818 | 1971 | 293,505 | 1970 | 287,262 | 1969 | 278,524 | 1968 | 269,408 | 1967 | 260,648 | 1966 | 252,238 | 1965 | 244,156 | 1964 | 236,362 | 1963 | 228,814 | 1962 | 221,484 | 1961 | 214,788 | 1960 | 209,849 |
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