Year | Value | 2022 | 47,172 | 2021 | 45,537 | 2020 | 44,020 | 2019 | 42,339 | 2018 | 40,583 | 2017 | 38,749 | 2016 | 36,962 | 2015 | 35,342 | 2014 | 33,940 | 2013 | 32,748 | 2012 | 31,709 | 2011 | 30,708 | 2010 | 29,613 | 2009 | 28,446 | 2008 | 27,273 | 2007 | 26,117 | 2006 | 25,036 | 2005 | 24,078 | 2004 | 23,206 | 2003 | 22,150 | 2002 | 20,949 | 2001 | 19,838 | 2000 | 18,808 | 1999 | 17,879 | 1998 | 17,335 | 1997 | 17,134 | 1996 | 16,961 | 1995 | 16,816 | 1994 | 16,704 | 1993 | 16,597 | 1992 | 16,481 | 1991 | 16,381 | 1990 | 16,247 | 1989 | 16,023 | 1988 | 15,729 | 1987 | 15,365 | 1986 | 14,942 | 1985 | 14,475 | 1984 | 13,966 | 1983 | 13,401 | 1982 | 12,826 | 1981 | 12,258 | 1980 | 11,716 | 1979 | 11,266 | 1978 | 10,954 | 1977 | 10,737 | 1976 | 10,460 | 1975 | 10,017 | 1974 | 9,426 | 1973 | 8,700 | 1972 | 7,911 | 1971 | 7,287 | 1970 | 6,919 | 1969 | 6,688 | 1968 | 6,507 | 1967 | 6,378 | 1966 | 6,292 | 1965 | 6,240 | 1964 | 6,161 | 1963 | 6,066 | 1962 | 6,018 | 1961 | 6,016 | 1960 | 6,057 |
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