Year | Value | 2022 | 82,706 | 2021 | 79,070 | 2020 | 75,305 | 2019 | 71,584 | 2018 | 68,118 | 2017 | 64,949 | 2016 | 61,995 | 2015 | 59,205 | 2014 | 56,554 | 2013 | 53,905 | 2012 | 51,246 | 2011 | 48,614 | 2010 | 46,031 | 2009 | 43,438 | 2008 | 41,299 | 2007 | 39,648 | 2006 | 37,976 | 2005 | 36,345 | 2004 | 34,772 | 2003 | 33,251 | 2002 | 32,043 | 2001 | 31,223 | 2000 | 30,398 | 1999 | 29,946 | 1998 | 30,121 | 1997 | 30,600 | 1996 | 30,997 | 1995 | 31,040 | 1994 | 30,850 | 1993 | 30,448 | 1992 | 30,008 | 1991 | 29,720 | 1990 | 29,648 | 1989 | 29,750 | 1988 | 29,920 | 1987 | 29,921 | 1986 | 29,489 | 1985 | 28,648 | 1984 | 27,542 | 1983 | 26,358 | 1982 | 25,425 | 1981 | 24,885 | 1980 | 24,571 | 1979 | 24,294 | 1978 | 23,875 | 1977 | 23,202 | 1976 | 22,384 | 1975 | 21,620 | 1974 | 21,035 | 1973 | 20,568 | 1972 | 20,109 | 1971 | 19,659 | 1970 | 19,219 | 1969 | 18,786 | 1968 | 18,364 | 1967 | 17,954 | 1966 | 17,554 | 1965 | 17,165 | 1964 | 16,787 | 1963 | 16,415 | 1962 | 16,051 | 1961 | 15,700 | 1960 | 15,360 |
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