| Year | Value | | 2022 | 303,295 | | 2021 | 292,716 | | 2020 | 282,533 | | 2019 | 273,143 | | 2018 | 264,564 | | 2017 | 256,119 | | 2016 | 247,605 | | 2015 | 238,841 | | 2014 | 230,328 | | 2013 | 222,603 | | 2012 | 215,827 | | 2011 | 206,591 | | 2010 | 196,968 | | 2009 | 190,606 | | 2008 | 184,706 | | 2007 | 177,972 | | 2006 | 170,537 | | 2005 | 162,793 | | 2004 | 157,288 | | 2003 | 157,838 | | 2002 | 159,306 | | 2001 | 157,385 | | 2000 | 154,982 | | 1999 | 151,554 | | 1998 | 144,685 | | 1997 | 131,189 | | 1996 | 121,670 | | 1995 | 118,082 | | 1994 | 116,235 | | 1993 | 115,190 | | 1992 | 109,300 | | 1991 | 101,746 | | 1990 | 114,139 | | 1989 | 128,369 | | 1988 | 124,150 | | 1987 | 120,048 | | 1986 | 116,046 | | 1985 | 111,990 | | 1984 | 107,695 | | 1983 | 103,838 | | 1982 | 100,468 | | 1981 | 97,065 | | 1980 | 93,855 | | 1979 | 90,844 | | 1978 | 88,011 | | 1977 | 85,362 | | 1976 | 82,839 | | 1975 | 80,455 | | 1974 | 78,054 | | 1973 | 75,572 | | 1972 | 73,164 | | 1971 | 70,865 | | 1970 | 68,605 | | 1969 | 65,918 | | 1968 | 63,621 | | 1967 | 62,368 | | 1966 | 61,715 | | 1965 | 61,587 | | 1964 | 62,233 | | 1963 | 62,781 | | 1962 | 62,491 | | 1961 | 61,830 | | 1960 | 60,832 |
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