Year | Value | 2022 | 685,319 | 2021 | 677,737 | 2020 | 668,636 | 2019 | 658,859 | 2018 | 648,054 | 2017 | 638,658 | 2016 | 631,988 | 2015 | 628,404 | 2014 | 626,540 | 2013 | 625,107 | 2012 | 623,290 | 2011 | 620,543 | 2010 | 617,232 | 2009 | 613,204 | 2008 | 607,866 | 2007 | 601,457 | 2006 | 594,438 | 2005 | 586,109 | 2004 | 576,056 | 2003 | 565,097 | 2002 | 553,797 | 2001 | 542,222 | 2000 | 529,899 | 1999 | 516,743 | 1998 | 503,190 | 1997 | 489,322 | 1996 | 475,198 | 1995 | 461,472 | 1994 | 447,672 | 1993 | 433,728 | 1992 | 419,427 | 1991 | 403,601 | 1990 | 386,631 | 1989 | 370,039 | 1988 | 354,014 | 1987 | 338,955 | 1986 | 326,294 | 1985 | 315,944 | 1984 | 307,457 | 1983 | 300,343 | 1982 | 294,412 | 1981 | 289,658 | 1980 | 285,940 | 1979 | 283,031 | 1978 | 280,707 | 1977 | 279,017 | 1976 | 278,207 | 1975 | 278,302 | 1974 | 279,223 | 1973 | 281,149 | 1972 | 283,103 | 1971 | 283,025 | 1970 | 279,596 | 1969 | 272,992 | 1968 | 263,206 | 1967 | 251,070 | 1966 | 239,140 | 1965 | 228,842 | 1964 | 219,814 | 1963 | 211,906 | 1962 | 205,429 | 1961 | 199,761 | 1960 | 194,590 |
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