Year | Value | 2022 | 58,681 | 2021 | 56,014 | 2020 | 53,475 | 2019 | 50,965 | 2018 | 48,428 | 2017 | 45,873 | 2016 | 43,444 | 2015 | 41,223 | 2014 | 39,257 | 2013 | 37,633 | 2012 | 36,263 | 2011 | 34,904 | 2010 | 33,498 | 2009 | 31,925 | 2008 | 30,392 | 2007 | 29,138 | 2006 | 28,074 | 2005 | 27,301 | 2004 | 26,891 | 2003 | 26,834 | 2002 | 27,056 | 2001 | 27,276 | 2000 | 27,089 | 1999 | 26,718 | 1998 | 26,376 | 1997 | 26,084 | 1996 | 25,931 | 1995 | 25,929 | 1994 | 26,125 | 1993 | 26,404 | 1992 | 26,558 | 1991 | 26,347 | 1990 | 25,739 | 1989 | 24,858 | 1988 | 23,891 | 1987 | 23,120 | 1986 | 22,738 | 1985 | 22,729 | 1984 | 22,992 | 1983 | 23,088 | 1982 | 22,596 | 1981 | 21,637 | 1980 | 20,521 | 1979 | 19,474 | 1978 | 18,608 | 1977 | 18,000 | 1976 | 17,629 | 1975 | 17,358 | 1974 | 17,030 | 1973 | 16,637 | 1972 | 16,254 | 1971 | 15,881 | 1970 | 15,516 | 1969 | 15,161 | 1968 | 14,814 | 1967 | 14,477 | 1966 | 14,147 | 1965 | 13,825 | 1964 | 13,512 | 1963 | 13,212 | 1962 | 12,919 | 1961 | 12,624 | 1960 | 12,321 |
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