Year | Value | 2022 | 77,995 | 2021 | 76,939 | 2020 | 76,047 | 2019 | 75,649 | 2018 | 75,928 | 2017 | 77,141 | 2016 | 79,337 | 2015 | 81,827 | 2014 | 83,740 | 2013 | 84,843 | 2012 | 85,028 | 2011 | 84,305 | 2010 | 83,444 | 2009 | 82,743 | 2008 | 82,369 | 2007 | 81,421 | 2006 | 79,484 | 2005 | 77,225 | 2004 | 74,831 | 2003 | 72,379 | 2002 | 69,950 | 2001 | 67,596 | 2000 | 65,280 | 1999 | 62,788 | 1998 | 61,121 | 1997 | 60,281 | 1996 | 59,247 | 1995 | 58,188 | 1994 | 59,147 | 1993 | 61,372 | 1992 | 61,835 | 1991 | 61,411 | 1990 | 61,060 | 1989 | 60,422 | 1988 | 59,670 | 1987 | 57,473 | 1986 | 54,979 | 1985 | 53,243 | 1984 | 50,734 | 1983 | 47,640 | 1982 | 44,127 | 1981 | 40,659 | 1980 | 37,542 | 1979 | 34,707 | 1978 | 32,100 | 1977 | 30,062 | 1976 | 28,602 | 1975 | 27,539 | 1974 | 26,927 | 1973 | 26,830 | 1972 | 27,071 | 1971 | 27,286 | 1970 | 27,219 | 1969 | 26,851 | 1968 | 26,187 | 1967 | 25,281 | 1966 | 24,431 | 1965 | 23,792 | 1964 | 23,312 | 1963 | 22,982 | 1962 | 22,788 | 1961 | 22,597 | 1960 | 22,343 |
|