| Year | Value | | 2022 | 104,247 | | 2021 | 99,331 | | 2020 | 94,537 | | 2019 | 91,167 | | 2018 | 87,797 | | 2017 | 83,283 | | 2016 | 78,445 | | 2015 | 74,569 | | 2014 | 72,358 | | 2013 | 71,659 | | 2012 | 70,584 | | 2011 | 69,945 | | 2010 | 69,655 | | 2009 | 65,877 | | 2008 | 59,882 | | 2007 | 54,968 | | 2006 | 51,111 | | 2005 | 48,110 | | 2004 | 45,578 | | 2003 | 43,290 | | 2002 | 41,247 | | 2001 | 39,306 | | 2000 | 37,351 | | 1999 | 35,436 | | 1998 | 33,567 | | 1997 | 31,710 | | 1996 | 29,856 | | 1995 | 28,031 | | 1994 | 26,227 | | 1993 | 24,447 | | 1992 | 22,702 | | 1991 | 20,988 | | 1990 | 19,206 | | 1989 | 17,481 | | 1988 | 16,047 | | 1987 | 14,907 | | 1986 | 14,032 | | 1985 | 13,365 | | 1984 | 12,840 | | 1983 | 12,405 | | 1982 | 12,038 | | 1981 | 11,636 | | 1980 | 10,978 | | 1979 | 10,180 | | 1978 | 9,478 | | 1977 | 8,859 | | 1976 | 8,311 | | 1975 | 7,831 | | 1974 | 7,413 | | 1973 | 7,044 | | 1972 | 6,715 | | 1971 | 6,448 | | 1970 | 6,266 | | 1969 | 6,115 | | 1968 | 5,939 | | 1967 | 5,743 | | 1966 | 5,524 | | 1965 | 5,290 | | 1964 | 5,053 | | 1963 | 4,816 | | 1962 | 4,578 | | 1961 | 4,345 | | 1960 | 4,127 |
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