Year | Value | 2022 | 45,251 | 2021 | 43,380 | 2020 | 41,605 | 2019 | 39,907 | 2018 | 38,313 | 2017 | 36,807 | 2016 | 35,328 | 2015 | 33,848 | 2014 | 32,366 | 2013 | 30,878 | 2012 | 29,412 | 2011 | 28,030 | 2010 | 26,763 | 2009 | 25,618 | 2008 | 24,602 | 2007 | 23,698 | 2006 | 22,896 | 2005 | 22,186 | 2004 | 21,523 | 2003 | 20,838 | 2002 | 20,208 | 2001 | 19,650 | 2000 | 19,085 | 1999 | 18,548 | 1998 | 18,100 | 1997 | 17,653 | 1996 | 17,186 | 1995 | 16,783 | 1994 | 16,461 | 1993 | 16,235 | 1992 | 16,078 | 1991 | 15,949 | 1990 | 15,819 | 1989 | 15,679 | 1988 | 15,518 | 1987 | 15,338 | 1986 | 15,159 | 1985 | 14,999 | 1984 | 14,852 | 1983 | 14,704 | 1982 | 14,561 | 1981 | 14,426 | 1980 | 14,297 | 1979 | 14,172 | 1978 | 14,047 | 1977 | 13,927 | 1976 | 13,812 | 1975 | 13,703 | 1974 | 13,601 | 1973 | 13,505 | 1972 | 13,413 | 1971 | 13,320 | 1970 | 13,224 | 1969 | 13,123 | 1968 | 13,041 | 1967 | 12,977 | 1966 | 12,915 | 1965 | 12,853 | 1964 | 12,793 | 1963 | 12,734 | 1962 | 12,674 | 1961 | 12,615 | 1960 | 12,556 |
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