Year | Value | 2022 | 87,554 | 2021 | 87,096 | 2020 | 86,692 | 2019 | 86,172 | 2018 | 85,792 | 2017 | 85,353 | 2016 | 84,833 | 2015 | 84,173 | 2014 | 83,164 | 2013 | 81,479 | 2012 | 79,110 | 2011 | 76,844 | 2010 | 75,576 | 2009 | 74,355 | 2008 | 72,954 | 2007 | 71,787 | 2006 | 69,854 | 2005 | 66,573 | 2004 | 63,090 | 2003 | 59,858 | 2002 | 56,536 | 2001 | 53,840 | 2000 | 51,633 | 1999 | 49,072 | 1998 | 46,809 | 1997 | 45,712 | 1996 | 45,099 | 1995 | 44,861 | 1994 | 45,658 | 1993 | 46,643 | 1992 | 46,766 | 1991 | 46,151 | 1990 | 44,873 | 1989 | 43,124 | 1988 | 40,995 | 1987 | 38,721 | 1986 | 36,675 | 1985 | 35,120 | 1984 | 34,160 | 1983 | 33,940 | 1982 | 34,240 | 1981 | 34,495 | 1980 | 34,355 | 1979 | 33,808 | 1978 | 32,820 | 1977 | 31,489 | 1976 | 30,300 | 1975 | 29,565 | 1974 | 29,188 | 1973 | 29,067 | 1972 | 29,211 | 1971 | 29,453 | 1970 | 29,807 | 1969 | 30,321 | 1968 | 30,894 | 1967 | 31,498 | 1966 | 32,214 | 1965 | 33,147 | 1964 | 34,327 | 1963 | 35,770 | 1962 | 37,296 | 1961 | 38,452 | 1960 | 38,929 |
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