Year | Value | 2022 | 60,216 | 2021 | 59,773 | 2020 | 60,240 | 2019 | 61,157 | 2018 | 62,413 | 2017 | 63,904 | 2016 | 65,594 | 2015 | 67,067 | 2014 | 68,118 | 2013 | 68,876 | 2012 | 69,069 | 2011 | 68,890 | 2010 | 68,958 | 2009 | 69,598 | 2008 | 70,999 | 2007 | 72,845 | 2006 | 74,977 | 2005 | 77,440 | 2004 | 79,650 | 2003 | 81,119 | 2002 | 82,006 | 2001 | 82,358 | 2000 | 82,485 | 1999 | 82,491 | 1998 | 81,824 | 1997 | 80,813 | 1996 | 80,173 | 1995 | 79,641 | 1994 | 79,357 | 1993 | 79,971 | 1992 | 80,980 | 1991 | 80,715 | 1990 | 79,060 | 1989 | 76,889 | 1988 | 74,793 | 1987 | 73,985 | 1986 | 75,446 | 1985 | 78,860 | 1984 | 83,149 | 1983 | 87,368 | 1982 | 90,510 | 1981 | 91,855 | 1980 | 91,495 | 1979 | 89,754 | 1978 | 87,196 | 1977 | 85,012 | 1976 | 84,078 | 1975 | 84,394 | 1974 | 85,551 | 1973 | 86,877 | 1972 | 87,344 | 1971 | 85,887 | 1970 | 82,351 | 1969 | 77,435 | 1968 | 71,683 | 1967 | 65,745 | 1966 | 60,738 | 1965 | 56,880 | 1964 | 53,439 | 1963 | 49,987 | 1962 | 46,661 | 1961 | 43,985 | 1960 | 42,582 |
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