Year | Value | 2022 | 68,216 | 2021 | 68,385 | 2020 | 69,523 | 2019 | 70,679 | 2018 | 71,553 | 2017 | 72,697 | 2016 | 73,815 | 2015 | 74,246 | 2014 | 74,511 | 2013 | 74,751 | 2012 | 74,332 | 2011 | 73,617 | 2010 | 73,487 | 2009 | 73,060 | 2008 | 72,008 | 2007 | 71,310 | 2006 | 71,355 | 2005 | 72,815 | 2004 | 75,603 | 2003 | 78,821 | 2002 | 82,403 | 2001 | 86,491 | 2000 | 90,613 | 1999 | 94,382 | 1998 | 98,806 | 1997 | 105,120 | 1996 | 112,692 | 1995 | 120,449 | 1994 | 128,004 | 1993 | 134,629 | 1992 | 139,616 | 1991 | 143,029 | 1990 | 145,192 | 1989 | 146,491 | 1988 | 146,649 | 1987 | 144,565 | 1986 | 140,845 | 1985 | 137,111 | 1984 | 133,882 | 1983 | 130,964 | 1982 | 129,061 | 1981 | 128,467 | 1980 | 128,389 | 1979 | 128,650 | 1978 | 128,945 | 1977 | 129,654 | 1976 | 131,191 | 1975 | 133,027 | 1974 | 134,571 | 1973 | 135,783 | 1972 | 136,233 | 1971 | 135,526 | 1970 | 134,293 | 1969 | 133,788 | 1968 | 134,311 | 1967 | 135,596 | 1966 | 138,032 | 1965 | 141,142 | 1964 | 143,938 | 1963 | 146,011 | 1962 | 146,918 | 1961 | 145,910 | 1960 | 143,564 |
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