Year | Value | 2022 | 34,261 | 2021 | 33,832 | 2020 | 33,123 | 2019 | 32,170 | 2018 | 31,085 | 2017 | 30,024 | 2016 | 29,121 | 2015 | 28,418 | 2014 | 27,877 | 2013 | 27,435 | 2012 | 26,997 | 2011 | 26,468 | 2010 | 25,767 | 2009 | 24,957 | 2008 | 24,145 | 2007 | 23,349 | 2006 | 22,548 | 2005 | 21,699 | 2004 | 20,778 | 2003 | 19,787 | 2002 | 18,781 | 2001 | 17,886 | 2000 | 17,204 | 1999 | 16,689 | 1998 | 16,262 | 1997 | 15,861 | 1996 | 15,444 | 1995 | 14,999 | 1994 | 14,552 | 1993 | 14,139 | 1992 | 13,832 | 1991 | 13,642 | 1990 | 13,498 | 1989 | 13,353 | 1988 | 13,175 | 1987 | 12,943 | 1986 | 12,673 | 1985 | 12,389 | 1984 | 12,114 | 1983 | 11,881 | 1982 | 11,741 | 1981 | 11,696 | 1980 | 11,672 | 1979 | 11,621 | 1978 | 11,547 | 1977 | 11,472 | 1976 | 11,410 | 1975 | 11,458 | 1974 | 11,711 | 1973 | 11,923 | 1972 | 11,917 | 1971 | 11,798 | 1970 | 11,609 | 1969 | 11,352 | 1968 | 11,045 | 1967 | 10,720 | 1966 | 10,409 | 1965 | 10,161 | 1964 | 10,013 | 1963 | 9,927 | 1962 | 9,838 | 1961 | 9,684 | 1960 | 9,378 |
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