Year | Value | 2022 | 79,498 | 2021 | 79,609 | 2020 | 79,495 | 2019 | 78,960 | 2018 | 77,955 | 2017 | 76,698 | 2016 | 75,494 | 2015 | 74,545 | 2014 | 73,748 | 2013 | 73,049 | 2012 | 72,465 | 2011 | 71,810 | 2010 | 71,048 | 2009 | 70,505 | 2008 | 70,361 | 2007 | 70,444 | 2006 | 70,716 | 2005 | 71,311 | 2004 | 72,000 | 2003 | 72,450 | 2002 | 72,717 | 2001 | 74,229 | 2000 | 76,036 | 1999 | 78,824 | 1998 | 81,036 | 1997 | 81,744 | 1996 | 81,545 | 1995 | 80,337 | 1994 | 79,967 | 1993 | 80,855 | 1992 | 82,135 | 1991 | 82,135 | 1990 | 80,867 | 1989 | 79,268 | 1988 | 77,498 | 1987 | 75,542 | 1986 | 73,233 | 1985 | 70,506 | 1984 | 67,354 | 1983 | 63,989 | 1982 | 60,759 | 1981 | 58,079 | 1980 | 56,033 | 1979 | 54,584 | 1978 | 53,656 | 1977 | 53,248 | 1976 | 53,245 | 1975 | 53,470 | 1974 | 53,790 | 1973 | 54,043 | 1972 | 54,057 | 1971 | 53,904 | 1970 | 53,518 | 1969 | 52,870 | 1968 | 52,216 | 1967 | 51,674 | 1966 | 51,212 | 1965 | 50,723 | 1964 | 50,068 | 1963 | 49,106 | 1962 | 48,112 | 1961 | 46,537 | 1960 | 44,217 |
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