Year | Value | 2022 | 44,260 | 2021 | 42,712 | 2020 | 41,093 | 2019 | 39,489 | 2018 | 37,876 | 2017 | 36,231 | 2016 | 34,675 | 2015 | 33,320 | 2014 | 32,188 | 2013 | 31,195 | 2012 | 30,340 | 2011 | 29,581 | 2010 | 28,872 | 2009 | 28,196 | 2008 | 27,513 | 2007 | 26,828 | 2006 | 26,162 | 2005 | 25,562 | 2004 | 25,028 | 2003 | 24,492 | 2002 | 23,965 | 2001 | 23,469 | 2000 | 22,986 | 1999 | 22,504 | 1998 | 22,030 | 1997 | 21,559 | 1996 | 21,011 | 1995 | 20,347 | 1994 | 19,576 | 1993 | 19,628 | 1992 | 19,865 | 1991 | 19,398 | 1990 | 18,937 | 1989 | 18,474 | 1988 | 18,022 | 1987 | 17,580 | 1986 | 17,124 | 1985 | 16,625 | 1984 | 16,068 | 1983 | 15,459 | 1982 | 14,820 | 1981 | 14,209 | 1980 | 13,676 | 1979 | 13,219 | 1978 | 12,818 | 1977 | 12,463 | 1976 | 12,133 | 1975 | 11,824 | 1974 | 11,542 | 1973 | 11,284 | 1972 | 11,046 | 1971 | 10,811 | 1970 | 10,558 | 1969 | 10,287 | 1968 | 10,003 | 1967 | 9,723 | 1966 | 9,484 | 1965 | 9,309 | 1964 | 9,206 | 1963 | 9,167 | 1962 | 9,163 | 1961 | 9,161 | 1960 | 9,149 |
|