Year | Value | 2022 | 42,326 | 2021 | 40,984 | 2020 | 39,638 | 2019 | 38,292 | 2018 | 36,999 | 2017 | 35,789 | 2016 | 34,695 | 2015 | 33,606 | 2014 | 32,984 | 2013 | 32,698 | 2012 | 32,475 | 2011 | 32,537 | 2010 | 32,696 | 2009 | 32,463 | 2008 | 31,811 | 2007 | 31,066 | 2006 | 30,243 | 2005 | 29,395 | 2004 | 28,485 | 2003 | 27,438 | 2002 | 26,466 | 2001 | 25,627 | 2000 | 24,886 | 1999 | 24,321 | 1998 | 23,754 | 1997 | 23,191 | 1996 | 22,661 | 1995 | 21,750 | 1994 | 20,790 | 1993 | 20,055 | 1992 | 19,301 | 1991 | 20,216 | 1990 | 21,108 | 1989 | 20,456 | 1988 | 19,827 | 1987 | 19,223 | 1986 | 18,638 | 1985 | 18,061 | 1984 | 17,493 | 1983 | 16,935 | 1982 | 16,392 | 1981 | 15,871 | 1980 | 15,377 | 1979 | 14,901 | 1978 | 14,446 | 1977 | 14,011 | 1976 | 13,589 | 1975 | 13,179 | 1974 | 12,782 | 1973 | 12,396 | 1972 | 12,022 | 1971 | 11,673 | 1970 | 11,360 | 1969 | 11,080 | 1968 | 10,828 | 1967 | 10,601 | 1966 | 10,389 | 1965 | 10,185 | 1964 | 9,992 | 1963 | 9,814 | 1962 | 9,648 | 1961 | 9,495 | 1960 | 9,354 |
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