| Year | Value | | 2022 | 168,035 | | 2021 | 161,175 | | 2020 | 153,641 | | 2019 | 145,180 | | 2018 | 136,864 | | 2017 | 129,663 | | 2016 | 123,092 | | 2015 | 116,955 | | 2014 | 111,394 | | 2013 | 106,517 | | 2012 | 102,144 | | 2011 | 98,343 | | 2010 | 94,641 | | 2009 | 90,471 | | 2008 | 86,522 | | 2007 | 83,632 | | 2006 | 81,361 | | 2005 | 80,050 | | 2004 | 79,960 | | 2003 | 79,306 | | 2002 | 77,088 | | 2001 | 74,353 | | 2000 | 72,069 | | 1999 | 70,318 | | 1998 | 69,086 | | 1997 | 68,390 | | 1996 | 67,883 | | 1995 | 67,198 | | 1994 | 66,306 | | 1993 | 65,345 | | 1992 | 64,317 | | 1991 | 63,014 | | 1990 | 61,478 | | 1989 | 59,654 | | 1988 | 57,397 | | 1987 | 54,714 | | 1986 | 51,822 | | 1985 | 48,886 | | 1984 | 45,991 | | 1983 | 43,129 | | 1982 | 40,296 | | 1981 | 37,675 | | 1980 | 35,391 | | 1979 | 33,398 | | 1978 | 31,711 | | 1977 | 30,352 | | 1976 | 29,194 | | 1975 | 28,066 | | 1974 | 26,957 | | 1973 | 25,896 | | 1972 | 24,888 | | 1971 | 23,916 | | 1970 | 23,001 | | 1969 | 22,142 | | 1968 | 21,309 | | 1967 | 20,501 | | 1966 | 19,716 | | 1965 | 18,953 | | 1964 | 18,208 | | 1963 | 17,482 | | 1962 | 16,782 | | 1961 | 16,110 | | 1960 | 15,467 |
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