Year	Percent
1998-01-01	0.0879690000000000
1999-01-01	22.7092000000000000
2000-01-01	22.5097000000000000
2001-01-01	7.5902199999999995
2002-01-01	7.3176900000000000
2003-01-01	13.6304000000000000
2004-01-01	11.0593000000000000
2005-01-01	22.6914000000000000
2006-01-01	18.5739000000000000
2007-01-01	21.6353000000000000
2008-01-01	17.5208000000000000
2009-01-01	10.5766000000000000
2010-01-01	9.8488700000000000
2011-01-01	8.4244000000000000
2012-01-01	4.7535700000000000
2013-01-01	3.9190600000000000
2014-01-01	5.8192699999999995
2015-01-01	0.3100730000000000
2016-01-01	7.7608500000000000