| Year | Value | | 2022 | 684,736 | | 2021 | 669,146 | | 2020 | 653,135 | | 2019 | 636,153 | | 2018 | 618,212 | | 2017 | 599,552 | | 2016 | 579,678 | | 2015 | 558,877 | | 2014 | 538,075 | | 2013 | 517,714 | | 2012 | 497,925 | | 2011 | 478,655 | | 2010 | 459,216 | | 2009 | 437,979 | | 2008 | 415,545 | | 2007 | 393,119 | | 2006 | 371,420 | | 2005 | 350,902 | | 2004 | 332,218 | | 2003 | 315,046 | | 2002 | 298,884 | | 2001 | 283,676 | | 2000 | 269,999 | | 1999 | 259,429 | | 1998 | 251,089 | | 1997 | 243,742 | | 1996 | 236,940 | | 1995 | 230,857 | | 1994 | 224,707 | | 1993 | 218,214 | | 1992 | 211,402 | | 1991 | 204,128 | | 1990 | 196,415 | | 1989 | 188,467 | | 1988 | 180,379 | | 1987 | 172,235 | | 1986 | 163,959 | | 1985 | 156,114 | | 1984 | 149,095 | | 1983 | 142,330 | | 1982 | 136,228 | | 1981 | 131,765 | | 1980 | 128,913 | | 1979 | 127,189 | | 1978 | 126,194 | | 1977 | 124,823 | | 1976 | 122,891 | | 1975 | 121,147 | | 1974 | 119,765 | | 1973 | 118,821 | | 1972 | 118,192 | | 1971 | 117,611 | | 1970 | 116,900 | | 1969 | 115,155 | | 1968 | 112,112 | | 1967 | 108,764 | | 1966 | 105,605 | | 1965 | 102,740 | | 1964 | 100,114 | | 1963 | 97,656 | | 1962 | 95,335 | | 1961 | 93,083 | | 1960 | 90,838 |
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