Year | Value | 2022 | 35,460 | 2021 | 34,670 | 2020 | 33,719 | 2019 | 32,658 | 2018 | 31,587 | 2017 | 30,599 | 2016 | 29,783 | 2015 | 29,178 | 2014 | 28,733 | 2013 | 28,366 | 2012 | 27,986 | 2011 | 27,501 | 2010 | 26,808 | 2009 | 25,963 | 2008 | 25,104 | 2007 | 24,251 | 2006 | 23,392 | 2005 | 22,509 | 2004 | 21,590 | 2003 | 20,652 | 2002 | 19,757 | 2001 | 19,012 | 2000 | 18,464 | 1999 | 18,063 | 1998 | 17,741 | 1997 | 17,456 | 1996 | 17,176 | 1995 | 16,893 | 1994 | 16,617 | 1993 | 16,348 | 1992 | 16,093 | 1991 | 15,837 | 1990 | 15,543 | 1989 | 15,198 | 1988 | 14,811 | 1987 | 14,410 | 1986 | 14,027 | 1985 | 13,686 | 1984 | 13,408 | 1983 | 13,202 | 1982 | 13,053 | 1981 | 12,913 | 1980 | 12,781 | 1979 | 12,701 | 1978 | 12,721 | 1977 | 12,899 | 1976 | 13,246 | 1975 | 13,707 | 1974 | 14,152 | 1973 | 14,409 | 1972 | 14,379 | 1971 | 14,124 | 1970 | 13,689 | 1969 | 13,028 | 1968 | 12,178 | 1967 | 11,253 | 1966 | 10,440 | 1965 | 9,992 | 1964 | 10,049 | 1963 | 10,513 | 1962 | 11,145 | 1961 | 11,612 | 1960 | 11,426 |
|