| Year | Value | | 2022 | 124,409 | | 2021 | 122,118 | | 2020 | 119,678 | | 2019 | 117,011 | | 2018 | 114,099 | | 2017 | 110,916 | | 2016 | 107,454 | | 2015 | 103,804 | | 2014 | 100,031 | | 2013 | 96,187 | | 2012 | 92,408 | | 2011 | 88,787 | | 2010 | 85,356 | | 2009 | 82,110 | | 2008 | 79,022 | | 2007 | 76,045 | | 2006 | 73,138 | | 2005 | 70,302 | | 2004 | 67,573 | | 2003 | 64,862 | | 2002 | 62,209 | | 2001 | 59,750 | | 2000 | 57,428 | | 1999 | 55,199 | | 1998 | 53,155 | | 1997 | 51,260 | | 1996 | 49,403 | | 1995 | 47,625 | | 1994 | 45,921 | | 1993 | 44,290 | | 1992 | 42,721 | | 1991 | 41,196 | | 1990 | 39,700 | | 1989 | 38,251 | | 1988 | 36,853 | | 1987 | 35,511 | | 1986 | 34,242 | | 1985 | 33,056 | | 1984 | 31,943 | | 1983 | 30,889 | | 1982 | 29,894 | | 1981 | 28,962 | | 1980 | 28,097 | | 1979 | 27,298 | | 1978 | 26,560 | | 1977 | 25,883 | | 1976 | 25,258 | | 1975 | 24,675 | | 1974 | 24,118 | | 1973 | 23,579 | | 1972 | 23,042 | | 1971 | 22,493 | | 1970 | 21,929 | | 1969 | 21,360 | | 1968 | 20,794 | | 1967 | 20,242 | | 1966 | 19,711 | | 1965 | 19,206 | | 1964 | 18,717 | | 1963 | 18,233 | | 1962 | 17,748 | | 1961 | 17,271 | | 1960 | 16,803 |
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