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2008 10 831-9 1998 10 3 3 623-31 1979 2012 22 51 51 21-31 2014 28 11-20 2007 20 3 3 513-22 2007 1994 6 284-90 1985 2008 6 2 2 56-83 2005 10 7 7 1-9 1951 16 3 3 297-334 2006 2012 2004 89 5 5 792-808 1997 21 232 1987 11 93-103 1922 4 1-10 1956 2009 14 1 1 31-9 2005 1999 9 15-25 2014 6.a 2000 12 ^s2 ^s2 2 288-91 2008 3-14 2006 71 1 1 173-91 1970 35 401-15 1974 39 1 1 31-6 2004 32 2 2 173-82 2004 2004 9 1 1 31-7 2007 12 2 2 1-11 1977 3 173-82 2000 87 941-8 1999 34 347-56 2007 2013 18 3 3 501-10 2008 8 2 2 267-77 2003 45 25-37 2011 22 1-10 2013 8 2 2 319-30 2007 7 847-62 2007 1981 34 100-7 1994 2006 23 2 2 141-54 1987 2007 30 523-8 2010 31 1 1 67-74 R Development Core Team 2007 2000 12 3 3 287-97 2005 12 2 2 297-313 1970 16 265-73 1993 5 151-67 1995 2000 28 2 2 229-37 1986 93 2 2 119-35 1997 27 313-35 2000 2011 16 209-20 1996 56 2 2 197-208 1986 99 432-42