Year | Value | 2022 | 46,816 | 2021 | 46,430 | 2020 | 45,766 | 2019 | 44,686 | 2018 | 43,991 | 2017 | 43,727 | 2016 | 43,701 | 2015 | 43,773 | 2014 | 43,914 | 2013 | 44,067 | 2012 | 44,124 | 2011 | 44,007 | 2010 | 43,657 | 2009 | 43,031 | 2008 | 42,126 | 2007 | 40,999 | 2006 | 39,928 | 2005 | 38,946 | 2004 | 37,905 | 2003 | 36,900 | 2002 | 36,097 | 2001 | 35,591 | 2000 | 35,131 | 1999 | 34,533 | 1998 | 33,779 | 1997 | 33,030 | 1996 | 32,366 | 1995 | 31,744 | 1994 | 30,263 | 1993 | 27,985 | 1992 | 26,195 | 1991 | 24,907 | 1990 | 23,795 | 1989 | 22,773 | 1988 | 21,838 | 1987 | 20,955 | 1986 | 20,144 | 1985 | 19,423 | 1984 | 18,821 | 1983 | 18,285 | 1982 | 17,735 | 1981 | 17,174 | 1980 | 16,640 | 1979 | 16,160 | 1978 | 15,703 | 1977 | 15,259 | 1976 | 14,819 | 1975 | 14,379 | 1974 | 13,937 | 1973 | 13,498 | 1972 | 13,061 | 1971 | 12,626 | 1970 | 12,186 | 1969 | 11,737 | 1968 | 11,277 | 1967 | 10,813 | 1966 | 10,361 | 1965 | 9,930 | 1964 | 9,521 | 1963 | 9,133 | 1962 | 8,766 | 1961 | 8,404 | 1960 | 8,038 |
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