Year | Value | 2022 | 29,308 | 2021 | 28,201 | 2020 | 27,036 | 2019 | 25,777 | 2018 | 24,461 | 2017 | 23,137 | 2016 | 21,819 | 2015 | 20,532 | 2014 | 19,306 | 2013 | 18,150 | 2012 | 17,078 | 2011 | 16,103 | 2010 | 15,222 | 2009 | 14,421 | 2008 | 13,813 | 2007 | 13,554 | 2006 | 13,588 | 2005 | 13,779 | 2004 | 14,068 | 2003 | 14,277 | 2002 | 14,258 | 2001 | 14,052 | 2000 | 13,752 | 1999 | 13,435 | 1998 | 13,134 | 1997 | 12,872 | 1996 | 12,659 | 1995 | 12,492 | 1994 | 12,345 | 1993 | 12,198 | 1992 | 12,040 | 1991 | 11,860 | 1990 | 11,660 | 1989 | 11,447 | 1988 | 11,216 | 1987 | 10,967 | 1986 | 10,722 | 1985 | 10,495 | 1984 | 10,288 | 1983 | 10,091 | 1982 | 9,886 | 1981 | 9,648 | 1980 | 9,344 | 1979 | 8,969 | 1978 | 8,535 | 1977 | 8,067 | 1976 | 7,630 | 1975 | 7,265 | 1974 | 6,965 | 1973 | 6,724 | 1972 | 6,538 | 1971 | 6,368 | 1970 | 6,185 | 1969 | 5,999 | 1968 | 5,815 | 1967 | 5,629 | 1966 | 5,453 | 1965 | 5,291 | 1964 | 5,139 | 1963 | 4,991 | 1962 | 4,848 | 1961 | 4,711 | 1960 | 4,577 |
|