Year | Value | 2022 | 15,025 | 2021 | 14,627 | 2020 | 14,218 | 2019 | 13,765 | 2018 | 13,281 | 2017 | 12,817 | 2016 | 12,394 | 2015 | 12,016 | 2014 | 11,678 | 2013 | 11,370 | 2012 | 11,090 | 2011 | 10,832 | 2010 | 10,575 | 2009 | 10,283 | 2008 | 9,925 | 2007 | 9,510 | 2006 | 9,072 | 2005 | 8,666 | 2004 | 8,333 | 2003 | 8,050 | 2002 | 7,774 | 2001 | 7,492 | 2000 | 7,167 | 1999 | 6,779 | 1998 | 6,377 | 1997 | 5,972 | 1996 | 5,565 | 1995 | 5,202 | 1994 | 4,922 | 1993 | 4,709 | 1992 | 4,544 | 1991 | 4,386 | 1990 | 4,206 | 1989 | 4,016 | 1988 | 3,811 | 1987 | 3,583 | 1986 | 3,336 | 1985 | 3,092 | 1984 | 2,870 | 1983 | 2,690 | 1982 | 2,563 | 1981 | 2,488 | 1980 | 2,462 | 1979 | 2,474 | 1978 | 2,497 | 1977 | 2,516 | 1976 | 2,528 | 1975 | 2,530 | 1974 | 2,537 | 1973 | 2,558 | 1972 | 2,587 | 1971 | 2,617 | 1970 | 2,648 | 1969 | 2,673 | 1968 | 2,676 | 1967 | 2,653 | 1966 | 2,608 | 1965 | 2,556 | 1964 | 2,506 | 1963 | 2,460 | 1962 | 2,422 | 1961 | 2,391 | 1960 | 2,358 |
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