| Year | Value | | 2022 | 205,350 | | 2021 | 203,031 | | 2020 | 202,456 | | 2019 | 202,778 | | 2018 | 202,318 | | 2017 | 201,433 | | 2016 | 200,048 | | 2015 | 197,395 | | 2014 | 193,969 | | 2013 | 192,419 | | 2012 | 192,704 | | 2011 | 193,141 | | 2010 | 192,274 | | 2009 | 189,902 | | 2008 | 184,695 | | 2007 | 180,879 | | 2006 | 177,582 | | 2005 | 170,945 | | 2004 | 160,886 | | 2003 | 149,303 | | 2002 | 135,293 | | 2001 | 119,971 | | 2000 | 108,236 | | 1999 | 101,695 | | 1998 | 99,230 | | 1997 | 99,803 | | 1996 | 101,191 | | 1995 | 101,685 | | 1994 | 100,584 | | 1993 | 98,615 | | 1992 | 96,235 | | 1991 | 93,047 | | 1990 | 87,714 | | 1989 | 85,967 | | 1988 | 86,169 | | 1987 | 85,861 | | 1986 | 85,311 | | 1985 | 85,455 | | 1984 | 85,716 | | 1983 | 86,614 | | 1982 | 87,211 | | 1981 | 86,482 | | 1980 | 84,398 | | 1979 | 81,270 | | 1978 | 77,115 | | 1977 | 72,662 | | 1976 | 68,904 | | 1975 | 66,589 | | 1974 | 65,700 | | 1973 | 65,841 | | 1972 | 66,352 | | 1971 | 68,346 | | 1970 | 69,593 | | 1969 | 69,755 | | 1968 | 69,319 | | 1967 | 68,124 | | 1966 | 64,386 | | 1965 | 61,070 | | 1964 | 56,703 | | 1963 | 52,038 | | 1962 | 47,966 | | 1961 | 44,240 | | 1960 | 42,180 |
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