Year | Value | 2022 | 52,651 | 2021 | 51,861 | 2020 | 50,955 | 2019 | 49,835 | 2018 | 48,810 | 2017 | 48,096 | 2016 | 47,635 | 2015 | 47,355 | 2014 | 47,180 | 2013 | 47,116 | 2012 | 47,097 | 2011 | 47,040 | 2010 | 46,551 | 2009 | 45,574 | 2008 | 44,508 | 2007 | 43,413 | 2006 | 42,322 | 2005 | 41,237 | 2004 | 40,132 | 2003 | 38,999 | 2002 | 37,846 | 2001 | 36,934 | 2000 | 36,305 | 1999 | 35,750 | 1998 | 35,020 | 1997 | 33,901 | 1996 | 32,567 | 1995 | 31,178 | 1994 | 29,763 | 1993 | 28,488 | 1992 | 27,397 | 1991 | 26,405 | 1990 | 25,513 | 1989 | 24,687 | 1988 | 22,808 | 1987 | 20,622 | 1986 | 19,606 | 1985 | 19,002 | 1984 | 18,443 | 1983 | 17,915 | 1982 | 17,426 | 1981 | 17,005 | 1980 | 16,639 | 1979 | 16,263 | 1978 | 15,731 | 1977 | 14,869 | 1976 | 13,517 | 1975 | 12,415 | 1974 | 11,859 | 1973 | 11,343 | 1972 | 10,853 | 1971 | 10,387 | 1970 | 9,951 | 1969 | 9,540 | 1968 | 9,150 | 1967 | 8,778 | 1966 | 8,423 | 1965 | 8,087 | 1964 | 7,767 | 1963 | 7,462 | 1962 | 7,171 | 1961 | 6,895 | 1960 | 6,641 |
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