Year ExRate 1986 168.4 1987 144.6 1988 128.2 1989 138.1 1990 145 1991 134.6 1992 126.8 1993 111.1 1994 102.2 1995 94 1996 108.8 1997 121.1 1998 130.9 1999 113.7 2000 107.8 2001 121.6 2002 125.2 2003 115.9 2004 108.2 2005 110.1 2006 116.3 2007 117.8 2008 103.4 2009 93.59999999999999 2010 87.8 2011 79.7