Year | Value | 2022 | 176,107 | 2021 | 171,797 | 2020 | 169,874 | 2019 | 170,107 | 2018 | 171,895 | 2017 | 173,672 | 2016 | 174,539 | 2015 | 174,436 | 2014 | 173,411 | 2013 | 171,706 | 2012 | 170,139 | 2011 | 169,099 | 2010 | 168,425 | 2009 | 168,007 | 2008 | 167,610 | 2007 | 166,774 | 2006 | 166,544 | 2005 | 166,925 | 2004 | 166,582 | 2003 | 165,572 | 2002 | 164,161 | 2001 | 162,173 | 2000 | 159,529 | 1999 | 156,483 | 1998 | 153,240 | 1997 | 149,923 | 1996 | 146,479 | 1995 | 142,782 | 1994 | 138,814 | 1993 | 134,679 | 1992 | 131,157 | 1991 | 128,771 | 1990 | 126,852 | 1989 | 124,962 | 1988 | 122,418 | 1987 | 118,910 | 1986 | 115,272 | 1985 | 111,988 | 1984 | 109,211 | 1983 | 107,201 | 1982 | 105,715 | 1981 | 105,433 | 1980 | 105,264 | 1979 | 103,809 | 1978 | 102,131 | 1977 | 100,653 | 1976 | 99,448 | 1975 | 98,270 | 1974 | 96,876 | 1973 | 95,286 | 1972 | 93,524 | 1971 | 91,609 | 1970 | 89,527 | 1969 | 86,985 | 1968 | 83,865 | 1967 | 80,438 | 1966 | 76,926 | 1965 | 73,618 | 1964 | 70,761 | 1963 | 68,556 | 1962 | 66,987 | 1961 | 65,800 | 1960 | 64,643 |
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