Year | Value | 2022 | 38,417 | 2021 | 37,544 | 2020 | 36,729 | 2019 | 36,013 | 2018 | 35,315 | 2017 | 34,551 | 2016 | 33,751 | 2015 | 32,938 | 2014 | 32,075 | 2013 | 31,162 | 2012 | 30,242 | 2011 | 29,327 | 2010 | 28,445 | 2009 | 27,664 | 2008 | 27,021 | 2007 | 26,480 | 2006 | 25,990 | 2005 | 25,535 | 2004 | 25,103 | 2003 | 24,699 | 2002 | 24,328 | 2001 | 23,982 | 2000 | 23,633 | 1999 | 23,248 | 1998 | 22,806 | 1997 | 22,323 | 1996 | 21,818 | 1995 | 21,277 | 1994 | 20,734 | 1993 | 20,226 | 1992 | 19,760 | 1991 | 19,363 | 1990 | 19,053 | 1989 | 18,725 | 1988 | 18,278 | 1987 | 17,728 | 1986 | 17,078 | 1985 | 16,348 | 1984 | 15,617 | 1983 | 14,933 | 1982 | 14,265 | 1981 | 13,596 | 1980 | 12,926 | 1979 | 12,255 | 1978 | 11,618 | 1977 | 11,010 | 1976 | 10,384 | 1975 | 9,842 | 1974 | 9,490 | 1973 | 9,268 | 1972 | 9,147 | 1971 | 9,145 | 1970 | 9,119 | 1969 | 8,990 | 1968 | 8,817 | 1967 | 8,620 | 1966 | 8,426 | 1965 | 8,242 | 1964 | 8,048 | 1963 | 7,836 | 1962 | 7,630 | 1961 | 7,435 | 1960 | 7,254 |
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