1 X 1990 2004 2 1990 2003b 2003b 2002 2002 3 4 2004 5 6 7 2002 2001 1999 2002 1996 1977 2002 4 1993 1993 1994 1998 2001 2003a 2003b 6 1976 30 1994 49 2003 1997 2001 8 1996 7 2000 2001 1999a 21 (1999b 34 2001a 2001b 35 2002 6 2002 2004 2004 2002 ,C,A ,G,R 2002 2001
