Year Total 1991 -11.07 1992 -25.35 1993 -24.8 1994 -0.05908 1995 8.096 1996 8.751 1997 7.709 1998 -8.459 1999 -22.75 2000 5.762 2001 25.76 2002 1.178 2003 -5.826 2004 -0.8387 2005 4.059 2006 2.916 2007 5.189 2008 5.293