Year | Value | 2023 | 44,711 | 2022 | 43,742 | 2021 | 42,739 | 2020 | 41,709 | 2019 | 40,738 | 2018 | 39,867 | 2017 | 39,080 | 2016 | 38,392 | 2015 | 37,806 | 2014 | 37,296 | 2013 | 36,827 | 2012 | 36,373 | 2011 | 35,896 | 2010 | 35,363 | 2009 | 34,741 | 2008 | 34,002 | 2007 | 33,188 | 2006 | 32,272 | 2005 | 31,443 | 2004 | 30,796 | 2003 | 30,134 | 2002 | 29,073 | 2001 | 27,562 | 2000 | 26,067 | 1999 | 24,643 | 1998 | 23,116 | 1997 | 21,438 | 1996 | 20,092 | 1995 | 19,301 | 1994 | 18,861 | 1993 | 18,271 | 1992 | 18,430 | 1991 | 18,421 | 1990 | 16,773 | 1989 | 15,016 | 1988 | 13,787 | 1987 | 12,837 | 1986 | 11,997 | 1985 | 11,381 | 1984 | 11,049 | 1983 | 10,933 | 1982 | 10,872 | 1981 | 10,727 | 1980 | 10,376 | 1979 | 9,748 | 1978 | 8,921 | 1977 | 8,061 | 1976 | 7,268 | 1975 | 6,582 | 1974 | 6,022 |
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