Year | Value | 2022 | 49,398 | 2021 | 49,137 | 2020 | 48,525 | 2019 | 47,562 | 2018 | 46,556 | 2017 | 45,644 | 2016 | 44,776 | 2015 | 44,016 | 2014 | 43,303 | 2013 | 42,510 | 2012 | 41,672 | 2011 | 40,865 | 2010 | 40,118 | 2009 | 39,400 | 2008 | 38,687 | 2007 | 37,985 | 2006 | 37,311 | 2005 | 36,679 | 2004 | 36,072 | 2003 | 35,460 | 2002 | 34,834 | 2001 | 34,265 | 2000 | 33,707 | 1999 | 33,049 | 1998 | 32,320 | 1997 | 31,606 | 1996 | 30,902 | 1995 | 30,137 | 1994 | 29,396 | 1993 | 28,611 | 1992 | 27,823 | 1991 | 27,002 | 1990 | 25,971 | 1989 | 25,045 | 1988 | 24,275 | 1987 | 23,449 | 1986 | 22,640 | 1985 | 21,890 | 1984 | 21,201 | 1983 | 20,582 | 1982 | 20,021 | 1981 | 19,483 | 1980 | 18,946 | 1979 | 18,418 | 1978 | 17,905 | 1977 | 17,408 | 1976 | 16,941 | 1975 | 16,516 | 1974 | 16,133 | 1973 | 15,789 | 1972 | 15,466 | 1971 | 15,163 | 1970 | 14,884 | 1969 | 14,648 | 1968 | 14,450 | 1967 | 14,289 | 1966 | 14,217 | 1965 | 14,245 | 1964 | 14,336 | 1963 | 14,509 | 1962 | 14,768 | 1961 | 15,002 | 1960 | 15,121 |
|