Line 1, .
Point 1, 1998 is 15.46.
Point 2, 1999 is 14.38.
Point 3, 2000 is 12.4.
Point 4, 2001 is 15.04.
Point 5, 2002 is 12.18.
Point 6, 2003 is 12.55.
Point 7, 2004 is 16.12.
Point 8, 2005 is 15.14.
Point 9, 2006 is 12.9.
Point 10, 2007 is 19.13.
Point 11, 2008 is 18.29.
Point 12, 2009f is 12.65.
Line 2, .
Point 1, 1998 is 14.81.
Point 2, 1999 is 14.81.
Point 3, 2000 is 14.81.
Point 4, 2001 is 14.81.
Point 5, 2002 is 14.81.
Point 6, 2003 is 14.81.
Point 7, 2004 is 14.81.
Point 8, 2005 is 14.81.
Point 9, 2006 is 14.81.
Point 10, 2007 is 14.81.
Point 11, 2008 is 14.81.
Point 12, 2009f is 14.81.