Year | Value | 2022 | 92,575 | 2021 | 101,767 | 2020 | 102,362 | 2019 | 101,263 | 2018 | 100,164 | 2017 | 99,475 | 2016 | 99,880 | 2015 | 101,108 | 2014 | 102,365 | 2013 | 101,043 | 2012 | 95,305 | 2011 | 85,785 | 2010 | 74,249 | 2009 | 62,826 | 2008 | 54,997 | 2007 | 52,647 | 2006 | 54,967 | 2005 | 59,585 | 2004 | 64,234 | 2003 | 67,980 | 2002 | 70,944 | 2001 | 73,254 | 2000 | 75,409 | 1999 | 76,851 | 1998 | 76,822 | 1997 | 75,781 | 1996 | 74,902 | 1995 | 74,587 | 1994 | 75,659 | 1993 | 77,527 | 1992 | 79,238 | 1991 | 80,222 | 1990 | 80,285 | 1989 | 79,553 | 1988 | 78,467 | 1987 | 77,469 | 1986 | 76,513 | 1985 | 75,168 | 1984 | 72,768 | 1983 | 68,826 | 1982 | 63,583 | 1981 | 58,167 | 1980 | 53,950 | 1979 | 51,843 | 1978 | 52,245 | 1977 | 54,583 | 1976 | 57,436 | 1975 | 59,463 | 1974 | 59,903 | 1973 | 58,569 | 1972 | 55,997 | 1971 | 53,079 | 1970 | 50,537 | 1969 | 48,638 | 1968 | 47,441 | 1967 | 46,971 | 1966 | 46,920 | 1965 | 46,747 | 1964 | 46,156 | 1963 | 44,969 | 1962 | 43,147 | 1961 | 40,797 | 1960 | 38,249 |
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