Year	Percent
1989-01-01	7.48320
1990-01-01	10.97150
1991-01-01	12.69940
1992-01-01	10.81130
1993-01-01	9.71941
1994-01-01	11.06410
1995-01-01	16.74810
1996-01-01	21.78080
1997-01-01	38.48440
1998-01-01	58.20460
1999-01-01	60.54320
2000-01-01	40.22290
2001-01-01	41.44100
2002-01-01	63.88390
2003-01-01	75.86310
2004-01-01	106.33600
2005-01-01	106.34800
2006-01-01	88.52450
2007-01-01	71.44310
2008-01-01	50.49340
2009-01-01	60.15960
2010-01-01	57.73970
2011-01-01	56.09460
2012-01-01	65.21950