Year | Value | 2022 | 168,976 | 2021 | 168,274 | 2020 | 167,315 | 2019 | 164,592 | 2018 | 164,401 | 2017 | 164,880 | 2016 | 165,167 | 2015 | 164,746 | 2014 | 163,655 | 2013 | 161,202 | 2012 | 157,912 | 2011 | 153,919 | 2010 | 149,678 | 2009 | 145,274 | 2008 | 141,220 | 2007 | 137,496 | 2006 | 133,894 | 2005 | 130,397 | 2004 | 127,707 | 2003 | 125,514 | 2002 | 123,875 | 2001 | 122,116 | 2000 | 119,406 | 1999 | 114,792 | 1998 | 109,142 | 1997 | 102,594 | 1996 | 97,293 | 1995 | 94,258 | 1994 | 92,028 | 1993 | 89,807 | 1992 | 87,500 | 1991 | 84,161 | 1990 | 77,287 | 1989 | 74,408 | 1988 | 72,960 | 1987 | 72,180 | 1986 | 70,985 | 1985 | 71,035 | 1984 | 71,751 | 1983 | 72,689 | 1982 | 73,162 | 1981 | 74,069 | 1980 | 75,320 | 1979 | 76,034 | 1978 | 76,557 | 1977 | 76,627 | 1976 | 76,854 | 1975 | 77,168 | 1974 | 76,348 | 1973 | 74,702 | 1972 | 72,939 | 1971 | 71,454 | 1970 | 70,451 | 1969 | 69,977 | 1968 | 70,163 | 1967 | 70,249 | 1966 | 69,352 | 1965 | 68,295 | 1964 | 67,170 | 1963 | 65,556 | 1962 | 64,037 | 1961 | 62,227 | 1960 | 60,684 |
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