| Year | Value | | 2022 | 199,276 | | 2021 | 184,182 | | 2020 | 166,738 | | 2019 | 151,532 | | 2018 | 137,737 | | 2017 | 124,076 | | 2016 | 110,461 | | 2015 | 96,992 | | 2014 | 83,950 | | 2013 | 71,737 | | 2012 | 60,732 | | 2011 | 51,182 | | 2010 | 43,148 | | 2009 | 40,418 | | 2008 | 43,361 | | 2007 | 47,370 | | 2006 | 50,240 | | 2005 | 50,297 | | 2004 | 48,093 | | 2003 | 45,257 | | 2002 | 42,195 | | 2001 | 38,946 | | 2000 | 35,744 | | 1999 | 32,867 | | 1998 | 30,452 | | 1997 | 28,485 | | 1996 | 26,822 | | 1995 | 25,010 | | 1994 | 22,873 | | 1993 | 20,652 | | 1992 | 18,478 | | 1991 | 16,491 | | 1990 | 14,859 | | 1989 | 13,664 | | 1988 | 12,858 | | 1987 | 12,339 | | 1986 | 11,982 | | 1985 | 11,359 | | 1984 | 10,375 | | 1983 | 9,384 | | 1982 | 8,534 | | 1981 | 7,918 | | 1980 | 7,416 | | 1979 | 6,861 | | 1978 | 6,269 | | 1977 | 5,701 | | 1976 | 5,245 | | 1975 | 4,983 | | 1974 | 4,817 | | 1973 | 4,589 | | 1972 | 4,262 | | 1971 | 3,840 | | 1970 | 3,358 | | 1969 | 2,897 | | 1968 | 2,541 | | 1967 | 2,334 | | 1966 | 2,219 | | 1965 | 2,123 | | 1964 | 2,034 | | 1963 | 1,948 | | 1962 | 1,867 | | 1961 | 1,786 | | 1960 | 1,711 |
|