| Year | Value | | 2022 | 696,194 | | 2021 | 665,106 | | 2020 | 634,029 | | 2019 | 600,957 | | 2018 | 569,642 | | 2017 | 540,952 | | 2016 | 513,241 | | 2015 | 487,356 | | 2014 | 463,190 | | 2013 | 440,542 | | 2012 | 419,535 | | 2011 | 400,544 | | 2010 | 383,659 | | 2009 | 368,827 | | 2008 | 356,282 | | 2007 | 345,598 | | 2006 | 335,647 | | 2005 | 325,737 | | 2004 | 315,922 | | 2003 | 306,194 | | 2002 | 296,393 | | 2001 | 286,782 | | 2000 | 277,424 | | 1999 | 268,096 | | 1998 | 258,595 | | 1997 | 249,030 | | 1996 | 239,639 | | 1995 | 230,540 | | 1994 | 221,683 | | 1993 | 212,994 | | 1992 | 204,759 | | 1991 | 197,477 | | 1990 | 191,410 | | 1989 | 186,590 | | 1988 | 183,209 | | 1987 | 180,810 | | 1986 | 178,123 | | 1985 | 174,590 | | 1984 | 170,035 | | 1983 | 164,063 | | 1982 | 156,996 | | 1981 | 149,796 | | 1980 | 143,075 | | 1979 | 136,725 | | 1978 | 130,784 | | 1977 | 125,490 | | 1976 | 120,726 | | 1975 | 116,467 | | 1974 | 112,932 | | 1973 | 110,250 | | 1972 | 108,186 | | 1971 | 106,369 | | 1970 | 104,502 | | 1969 | 102,401 | | 1968 | 99,847 | | 1967 | 96,889 | | 1966 | 93,920 | | 1965 | 91,203 | | 1964 | 88,759 | | 1963 | 86,701 | | 1962 | 84,973 | | 1961 | 83,135 | | 1960 | 80,914 |
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