Year	Percent
1987-01-01	2.69260000000000000
1988-01-01	0.34232700000000000
1989-01-01	0.67697500000000000
1990-01-01	0.58976200000000000
1991-01-01	1.98020999999999980
1992-01-01	0.25342200000000000
1993-01-01	0.25125000000000000
1994-01-01	0.67025800000000000
1995-01-01	5.03469000000000000
1996-01-01	0.36191999999999996
1997-01-01	0.92636400000000000
1998-01-01	0.69619400000000000
1999-01-01	10.34599999999999800
2000-01-01	14.12820000000000000
2001-01-01	38.17540000000000000
2002-01-01	50.82280000000000000
2003-01-01	47.94490000000000000
2004-01-01	66.74810000000000000
2005-01-01	63.25960000000000000
2006-01-01	54.75040000000000000
2007-01-01	50.62660000000000000
2008-01-01	82.21620000000000000
2009-01-01	51.95150000000000000
2010-01-01	80.89360000000000000
2011-01-01	80.92530000000000000
2012-01-01	102.25000000000000000
2013-01-01	88.75830000000000000
2014-01-01	118.35500000000000000
2015-01-01	109.77000000000000000
2016-01-01	103.53200000000001000