Year | Value | 2022 | 53,548 | 2021 | 52,697 | 2020 | 51,447 | 2019 | 49,678 | 2018 | 47,973 | 2017 | 46,616 | 2016 | 45,489 | 2015 | 44,315 | 2014 | 43,055 | 2013 | 41,754 | 2012 | 40,375 | 2011 | 38,886 | 2010 | 37,332 | 2009 | 35,667 | 2008 | 33,849 | 2007 | 32,081 | 2006 | 30,687 | 2005 | 29,859 | 2004 | 29,623 | 2003 | 29,860 | 2002 | 30,296 | 2001 | 30,565 | 2000 | 30,416 | 1999 | 29,804 | 1998 | 28,788 | 1997 | 27,511 | 1996 | 26,151 | 1995 | 24,826 | 1994 | 23,574 | 1993 | 22,421 | 1992 | 21,406 | 1991 | 20,565 | 1990 | 19,916 | 1989 | 19,462 | 1988 | 19,175 | 1987 | 18,972 | 1986 | 18,761 | 1985 | 18,490 | 1984 | 18,142 | 1983 | 17,742 | 1982 | 17,345 | 1981 | 16,852 | 1980 | 16,272 | 1979 | 15,715 | 1978 | 15,151 | 1977 | 14,586 | 1976 | 14,021 | 1975 | 13,470 | 1974 | 12,938 | 1973 | 12,341 | 1972 | 11,882 | 1971 | 11,600 | 1970 | 11,249 | 1969 | 10,841 | 1968 | 10,411 | 1967 | 10,007 | 1966 | 9,694 | 1965 | 9,519 | 1964 | 9,504 | 1963 | 9,624 | 1962 | 9,843 | 1961 | 10,051 | 1960 | 10,049 |
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