Year	Percent
1997-01-01	0.02929100000000
1998-01-01	0.01002600000000
1999-01-01	30.89370000000000
2000-01-01	45.05490000000000
2001-01-01	44.34880000000000
2002-01-01	34.40650000000000
2003-01-01	34.24780000000000
2004-01-01	70.24740000000000
2005-01-01	64.22070000000000
2006-01-01	79.13080000000000
2007-01-01	86.31580000000000
2008-01-01	76.82200000000000
2009-01-01	90.76220000000000
2010-01-01	93.85590000000000
2011-01-01	105.61900000000000
2012-01-01	109.71300000000000
2013-01-01	106.66300000000000
2014-01-01	95.78890000000000
2015-01-01	100.84100000000001
2016-01-01	93.62070000000000