Year | Value | 2022 | 66,249 | 2021 | 69,993 | 2020 | 71,308 | 2019 | 73,009 | 2018 | 76,077 | 2017 | 80,209 | 2016 | 85,337 | 2015 | 91,055 | 2014 | 96,578 | 2013 | 100,303 | 2012 | 102,236 | 2011 | 102,174 | 2010 | 100,338 | 2009 | 97,802 | 2008 | 95,339 | 2007 | 93,366 | 2006 | 92,479 | 2005 | 92,879 | 2004 | 93,331 | 2003 | 92,718 | 2002 | 90,087 | 2001 | 84,443 | 2000 | 75,784 | 1999 | 65,075 | 1998 | 55,531 | 1997 | 50,629 | 1996 | 51,369 | 1995 | 55,626 | 1994 | 61,228 | 1993 | 66,350 | 1992 | 70,240 | 1991 | 72,469 | 1990 | 73,414 | 1989 | 73,711 | 1988 | 73,074 | 1987 | 71,507 | 1986 | 69,836 | 1985 | 68,951 | 1984 | 69,194 | 1983 | 70,203 | 1982 | 71,003 | 1981 | 70,783 | 1980 | 69,298 | 1979 | 66,668 | 1978 | 63,655 | 1977 | 61,141 | 1976 | 59,342 | 1975 | 58,054 | 1974 | 56,706 | 1973 | 54,391 | 1972 | 50,918 | 1971 | 47,071 | 1970 | 43,868 | 1969 | 42,051 | 1968 | 42,038 | 1967 | 43,484 | 1966 | 45,319 | 1965 | 46,544 | 1964 | 46,690 | 1963 | 45,658 | 1962 | 43,750 | 1961 | 41,521 | 1960 | 39,540 |
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