Year | Value | 2022 | 77,401 | 2021 | 74,353 | 2020 | 71,297 | 2019 | 68,261 | 2018 | 65,284 | 2017 | 62,368 | 2016 | 59,447 | 2015 | 56,445 | 2014 | 53,431 | 2013 | 50,454 | 2012 | 47,598 | 2011 | 44,917 | 2010 | 42,422 | 2009 | 39,944 | 2008 | 37,933 | 2007 | 36,401 | 2006 | 34,746 | 2005 | 33,101 | 2004 | 31,587 | 2003 | 30,217 | 2002 | 29,238 | 2001 | 28,673 | 2000 | 27,964 | 1999 | 27,463 | 1998 | 27,451 | 1997 | 27,693 | 1996 | 27,757 | 1995 | 27,352 | 1994 | 26,800 | 1993 | 26,107 | 1992 | 25,347 | 1991 | 24,711 | 1990 | 24,281 | 1989 | 23,986 | 1988 | 23,757 | 1987 | 23,524 | 1986 | 23,118 | 1985 | 22,483 | 1984 | 21,683 | 1983 | 20,928 | 1982 | 20,412 | 1981 | 20,155 | 1980 | 20,071 | 1979 | 20,029 | 1978 | 19,879 | 1977 | 19,527 | 1976 | 19,023 | 1975 | 18,479 | 1974 | 18,037 | 1973 | 17,696 | 1972 | 17,362 | 1971 | 17,035 | 1970 | 16,718 | 1969 | 16,412 | 1968 | 16,115 | 1967 | 15,826 | 1966 | 15,546 | 1965 | 15,278 | 1964 | 15,017 | 1963 | 14,759 | 1962 | 14,510 | 1961 | 14,281 | 1960 | 14,077 |
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