Year | Value | 2022 | 63,332 | 2021 | 62,354 | 2020 | 61,534 | 2019 | 61,040 | 2018 | 61,409 | 2017 | 62,602 | 2016 | 64,386 | 2015 | 66,514 | 2014 | 68,247 | 2013 | 69,333 | 2012 | 69,975 | 2011 | 69,812 | 2010 | 69,512 | 2009 | 69,583 | 2008 | 68,969 | 2007 | 67,620 | 2006 | 66,612 | 2005 | 65,780 | 2004 | 64,940 | 2003 | 64,691 | 2002 | 64,559 | 2001 | 64,063 | 2000 | 63,446 | 1999 | 62,606 | 1998 | 61,995 | 1997 | 62,386 | 1996 | 64,167 | 1995 | 67,296 | 1994 | 71,351 | 1993 | 75,721 | 1992 | 79,728 | 1991 | 81,926 | 1990 | 81,858 | 1989 | 80,221 | 1988 | 77,390 | 1987 | 74,674 | 1986 | 73,181 | 1985 | 73,095 | 1984 | 74,159 | 1983 | 75,622 | 1982 | 76,355 | 1981 | 75,476 | 1980 | 72,896 | 1979 | 69,147 | 1978 | 64,624 | 1977 | 59,821 | 1976 | 55,758 | 1975 | 52,739 | 1974 | 50,144 | 1973 | 47,495 | 1972 | 44,770 | 1971 | 42,360 | 1970 | 41,141 | 1969 | 41,656 | 1968 | 43,710 | 1967 | 46,845 | 1966 | 50,353 | 1965 | 53,225 | 1964 | 54,878 | 1963 | 55,604 | 1962 | 55,984 | 1961 | 56,521 | 1960 | 57,137 |
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