Year | Value | 2022 | 60,523 | 2021 | 61,804 | 2020 | 63,398 | 2019 | 65,035 | 2018 | 68,498 | 2017 | 74,121 | 2016 | 81,055 | 2015 | 88,294 | 2014 | 94,739 | 2013 | 99,368 | 2012 | 101,636 | 2011 | 101,239 | 2010 | 98,527 | 2009 | 94,466 | 2008 | 89,789 | 2007 | 85,323 | 2006 | 81,715 | 2005 | 78,405 | 2004 | 74,687 | 2003 | 70,795 | 2002 | 67,094 | 2001 | 62,880 | 2000 | 57,315 | 1999 | 50,741 | 1998 | 44,286 | 1997 | 39,636 | 1996 | 38,933 | 1995 | 43,519 | 1994 | 53,083 | 1993 | 65,436 | 1992 | 77,762 | 1991 | 85,696 | 1990 | 87,778 | 1989 | 85,708 | 1988 | 82,181 | 1987 | 79,453 | 1986 | 77,366 | 1985 | 76,770 | 1984 | 78,290 | 1983 | 81,154 | 1982 | 83,458 | 1981 | 83,836 | 1980 | 81,656 | 1979 | 76,765 | 1978 | 69,648 | 1977 | 60,442 | 1976 | 50,428 | 1975 | 41,854 | 1974 | 34,894 | 1973 | 29,441 | 1972 | 25,863 | 1971 | 23,814 | 1970 | 22,880 | 1969 | 23,165 | 1968 | 24,902 | 1967 | 27,482 | 1966 | 29,927 | 1965 | 31,728 | 1964 | 32,911 | 1963 | 33,404 | 1962 | 33,229 | 1961 | 32,823 | 1960 | 32,390 |
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