Year | Value | 2022 | 787,660 | 2021 | 762,337 | 2020 | 736,895 | 2019 | 710,774 | 2018 | 684,417 | 2017 | 653,928 | 2016 | 612,594 | 2015 | 569,923 | 2014 | 535,800 | 2013 | 507,752 | 2012 | 489,970 | 2011 | 492,157 | 2010 | 500,373 | 2009 | 498,987 | 2008 | 491,829 | 2007 | 479,431 | 2006 | 465,310 | 2005 | 451,005 | 2004 | 434,852 | 2003 | 418,268 | 2002 | 401,792 | 2001 | 385,189 | 2000 | 368,286 | 1999 | 352,007 | 1998 | 336,505 | 1997 | 322,452 | 1996 | 312,177 | 1995 | 302,677 | 1994 | 294,318 | 1993 | 282,395 | 1992 | 273,929 | 1991 | 283,287 | 1990 | 293,230 | 1989 | 296,289 | 1988 | 302,941 | 1987 | 304,400 | 1986 | 295,704 | 1985 | 285,650 | 1984 | 276,188 | 1983 | 268,143 | 1982 | 261,524 | 1981 | 262,550 | 1980 | 262,343 | 1979 | 242,233 | 1978 | 215,217 | 1977 | 201,650 | 1976 | 197,506 | 1975 | 193,678 | 1974 | 188,331 | 1973 | 180,817 | 1972 | 172,569 | 1971 | 163,914 | 1970 | 154,676 | 1969 | 146,652 | 1968 | 140,747 | 1967 | 135,695 | 1966 | 131,402 | 1965 | 128,054 | 1964 | 125,591 | 1963 | 124,101 | 1962 | 123,135 | 1961 | 121,839 | 1960 | 119,736 |
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