Year | Value | 2022 | 60,656 | 2021 | 60,226 | 2020 | 59,561 | 2019 | 58,609 | 2018 | 57,391 | 2017 | 55,861 | 2016 | 53,812 | 2015 | 51,339 | 2014 | 48,695 | 2013 | 46,175 | 2012 | 44,313 | 2011 | 43,410 | 2010 | 43,105 | 2009 | 42,899 | 2008 | 42,552 | 2007 | 42,180 | 2006 | 42,088 | 2005 | 42,248 | 2004 | 42,398 | 2003 | 42,392 | 2002 | 42,005 | 2001 | 41,512 | 2000 | 40,130 | 1999 | 38,610 | 1998 | 37,235 | 1997 | 36,211 | 1996 | 35,728 | 1995 | 35,373 | 1994 | 35,053 | 1993 | 34,497 | 1992 | 33,591 | 1991 | 32,357 | 1990 | 30,900 | 1989 | 29,358 | 1988 | 27,833 | 1987 | 26,379 | 1986 | 25,069 | 1985 | 23,997 | 1984 | 23,300 | 1983 | 23,143 | 1982 | 23,597 | 1981 | 24,519 | 1980 | 25,638 | 1979 | 26,613 | 1978 | 27,088 | 1977 | 26,826 | 1976 | 25,858 | 1975 | 24,416 | 1974 | 22,760 | 1973 | 21,178 | 1972 | 19,907 | 1971 | 19,015 | 1970 | 18,437 | 1969 | 18,053 | 1968 | 17,709 | 1967 | 17,275 | 1966 | 16,717 | 1965 | 16,090 | 1964 | 15,464 | 1963 | 14,912 | 1962 | 14,491 | 1961 | 14,218 | 1960 | 14,127 |
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