Year | Value | 2022 | 44,496 | 2021 | 43,395 | 2020 | 41,896 | 2019 | 40,097 | 2018 | 38,219 | 2017 | 36,404 | 2016 | 34,617 | 2015 | 32,922 | 2014 | 31,436 | 2013 | 30,127 | 2012 | 29,011 | 2011 | 28,144 | 2010 | 27,480 | 2009 | 26,955 | 2008 | 26,575 | 2007 | 26,228 | 2006 | 25,808 | 2005 | 25,330 | 2004 | 24,780 | 2003 | 24,161 | 2002 | 23,478 | 2001 | 22,677 | 2000 | 21,770 | 1999 | 20,844 | 1998 | 19,933 | 1997 | 18,942 | 1996 | 18,168 | 1995 | 17,753 | 1994 | 18,494 | 1993 | 19,387 | 1992 | 19,103 | 1991 | 18,621 | 1990 | 18,231 | 1989 | 18,226 | 1988 | 17,842 | 1987 | 17,050 | 1986 | 16,526 | 1985 | 15,973 | 1984 | 15,323 | 1983 | 14,727 | 1982 | 14,227 | 1981 | 13,597 | 1980 | 12,971 | 1979 | 12,441 | 1978 | 11,950 | 1977 | 11,478 | 1976 | 11,033 | 1975 | 10,614 | 1974 | 10,201 | 1973 | 9,793 | 1972 | 9,397 | 1971 | 9,035 | 1970 | 8,711 | 1969 | 8,420 | 1968 | 8,156 | 1967 | 7,927 | 1966 | 7,791 | 1965 | 7,740 | 1964 | 7,719 | 1963 | 7,728 | 1962 | 7,750 | 1961 | 7,775 | 1960 | 7,796 |
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