Year | Value | 2022 | 60,913 | 2021 | 59,590 | 2020 | 58,326 | 2019 | 56,846 | 2018 | 55,447 | 2017 | 54,286 | 2016 | 53,161 | 2015 | 51,962 | 2014 | 50,600 | 2013 | 48,974 | 2012 | 47,081 | 2011 | 45,048 | 2010 | 42,940 | 2009 | 40,755 | 2008 | 38,508 | 2007 | 36,265 | 2006 | 34,084 | 2005 | 32,009 | 2004 | 30,077 | 2003 | 28,305 | 2002 | 26,748 | 2001 | 25,378 | 2000 | 24,130 | 1999 | 22,999 | 1998 | 21,990 | 1997 | 21,053 | 1996 | 20,173 | 1995 | 19,406 | 1994 | 18,803 | 1993 | 18,406 | 1992 | 18,167 | 1991 | 17,982 | 1990 | 17,895 | 1989 | 17,953 | 1988 | 18,092 | 1987 | 18,313 | 1986 | 18,506 | 1985 | 18,624 | 1984 | 18,720 | 1983 | 18,772 | 1982 | 18,734 | 1981 | 18,626 | 1980 | 18,503 | 1979 | 18,351 | 1978 | 18,167 | 1977 | 17,965 | 1976 | 17,738 | 1975 | 17,472 | 1974 | 17,167 | 1973 | 16,859 | 1972 | 16,566 | 1971 | 16,266 | 1970 | 15,977 | 1969 | 15,583 | 1968 | 14,975 | 1967 | 14,248 | 1966 | 13,546 | 1965 | 12,989 | 1964 | 12,599 | 1963 | 12,401 | 1962 | 12,387 | 1961 | 12,440 | 1960 | 12,293 |
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