Line 1, .
Point 1, 1997 is 66.32.
Point 2, 1998 is 61.48.
Point 3, 1999 is 65.56.
Point 4, 2000 is 69.65.
Point 5, 2001 is 72.71.
Point 6, 2002 is 67.04.
Point 7, 2003 is 84.69.
Point 8, 2004 is 85.58.
Point 9, 2005 is 89.55.
Point 10, 2006 is 87.09.
Point 11, 2007f is 90.02.
Point 12, 2008f is 92.19.
Line 2, .
Point 1, 1997 is 77.34.
Point 2, 1998 is 77.34.
Point 3, 1999 is 77.34.
Point 4, 2000 is 77.34.
Point 5, 2001 is 77.34.
Point 6, 2002 is 77.34.
Point 7, 2003 is 77.34.
Point 8, 2004 is 77.34.
Point 9, 2005 is 77.34.
Point 10, 2006 is 77.34.
Point 11, 2007f is 77.34.
Point 12, 2008f is 77.34.