Year | Value | 2022 | 161,778 | 2021 | 156,489 | 2020 | 151,905 | 2019 | 147,324 | 2018 | 142,246 | 2017 | 137,476 | 2016 | 135,049 | 2015 | 135,126 | 2014 | 136,321 | 2013 | 138,356 | 2012 | 142,219 | 2011 | 149,526 | 2010 | 162,186 | 2009 | 176,362 | 2008 | 184,455 | 2007 | 183,615 | 2006 | 176,208 | 2005 | 170,511 | 2004 | 168,794 | 2003 | 167,323 | 2002 | 164,305 | 2001 | 159,643 | 2000 | 155,685 | 1999 | 152,198 | 1998 | 148,830 | 1997 | 146,933 | 1996 | 145,856 | 1995 | 144,110 | 1994 | 142,029 | 1993 | 139,545 | 1992 | 135,699 | 1991 | 131,546 | 1990 | 129,760 | 1989 | 131,313 | 1988 | 134,974 | 1987 | 138,835 | 1986 | 140,756 | 1985 | 141,524 | 1984 | 141,446 | 1983 | 139,831 | 1982 | 137,788 | 1981 | 135,485 | 1980 | 132,692 | 1979 | 130,347 | 1978 | 128,771 | 1977 | 127,666 | 1976 | 126,120 | 1975 | 123,637 | 1974 | 118,683 | 1973 | 113,552 | 1972 | 109,990 | 1971 | 107,086 | 1970 | 106,712 | 1969 | 108,060 | 1968 | 106,586 | 1967 | 101,429 | 1966 | 94,906 | 1965 | 88,809 | 1964 | 84,616 | 1963 | 80,496 | 1962 | 76,455 | 1961 | 75,689 | 1960 | 79,176 |
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