Year | Value | 2022 | 193,937 | 2021 | 191,256 | 2020 | 186,491 | 2019 | 177,973 | 2018 | 170,380 | 2017 | 162,782 | 2016 | 155,745 | 2015 | 149,691 | 2014 | 144,885 | 2013 | 141,646 | 2012 | 140,479 | 2011 | 140,142 | 2010 | 140,212 | 2009 | 140,711 | 2008 | 142,539 | 2007 | 145,840 | 2006 | 149,848 | 2005 | 153,208 | 2004 | 155,390 | 2003 | 155,580 | 2002 | 153,986 | 2001 | 152,073 | 2000 | 151,807 | 1999 | 152,010 | 1998 | 153,007 | 1997 | 153,959 | 1996 | 154,312 | 1995 | 153,901 | 1994 | 152,905 | 1993 | 150,874 | 1992 | 147,820 | 1991 | 144,570 | 1990 | 136,566 | 1989 | 133,685 | 1988 | 130,598 | 1987 | 127,954 | 1986 | 125,368 | 1985 | 124,569 | 1984 | 122,948 | 1983 | 121,204 | 1982 | 119,366 | 1981 | 118,222 | 1980 | 116,881 | 1979 | 113,549 | 1978 | 109,008 | 1977 | 103,954 | 1976 | 100,149 | 1975 | 97,566 | 1974 | 94,457 | 1973 | 90,880 | 1972 | 87,189 | 1971 | 83,388 | 1970 | 79,719 | 1969 | 76,722 | 1968 | 74,977 | 1967 | 74,043 | 1966 | 73,329 | 1965 | 73,616 | 1964 | 74,505 | 1963 | 74,943 | 1962 | 75,230 | 1961 | 75,046 | 1960 | 75,310 |
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