Year | Value | 2022 | 8,929 | 2021 | 9,183 | 2020 | 9,640 | 2019 | 10,101 | 2018 | 10,563 | 2017 | 11,026 | 2016 | 11,489 | 2015 | 11,952 | 2014 | 12,411 | 2013 | 12,866 | 2012 | 13,313 | 2011 | 13,752 | 2010 | 14,119 | 2009 | 14,420 | 2008 | 14,739 | 2007 | 15,063 | 2006 | 15,376 | 2005 | 15,683 | 2004 | 15,984 | 2003 | 16,277 | 2002 | 16,557 | 2001 | 16,813 | 2000 | 17,037 | 1999 | 17,198 | 1998 | 17,166 | 1997 | 17,077 | 1996 | 16,978 | 1995 | 16,870 | 1994 | 16,748 | 1993 | 16,610 | 1992 | 16,456 | 1991 | 16,284 | 1990 | 16,092 | 1989 | 15,874 | 1988 | 15,629 | 1987 | 15,387 | 1986 | 15,112 | 1985 | 14,827 | 1984 | 14,535 | 1983 | 14,248 | 1982 | 13,961 | 1981 | 13,678 | 1980 | 13,340 | 1979 | 12,741 | 1978 | 12,185 | 1977 | 11,650 | 1976 | 11,139 | 1975 | 10,648 | 1974 | 10,184 | 1973 | 9,899 | 1972 | 10,363 | 1971 | 10,834 | 1970 | 11,148 | 1969 | 11,117 | 1968 | 10,872 | 1967 | 10,698 | 1966 | 10,501 | 1965 | 10,409 | 1964 | 10,309 | 1963 | 10,206 | 1962 | 10,101 | 1961 | 10,003 | 1960 | 9,903 |
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