Year	Percent
1995-01-01	17.2957000000000000
1996-01-01	17.9274000000000000
1997-01-01	22.2516000000000000
1998-01-01	23.6489000000000000
1999-01-01	25.4730000000000030
2000-01-01	28.7331000000000000
2001-01-01	11.9215000000000000
2002-01-01	47.7092000000000000
2003-01-01	12.9959999999999990
2004-01-01	26.4191000000000000
2005-01-01	18.3396000000000000
2006-01-01	18.1959999999999980
2007-01-01	11.0624000000000000
2008-01-01	15.0072000000000000
2009-01-01	13.3756000000000000
2010-01-01	23.7530000000000000
2011-01-01	14.0409000000000000
2012-01-01	14.1813000000000000
2013-01-01	11.2163000000000000
2014-01-01	5.9046199999999995
2015-01-01	2.1940700000000000