Year	Percent
1989-01-01	1.397310000000000000
1990-01-01	2.036020000000000000
1991-01-01	1.955370000000000000
1992-01-01	2.481440000000000000
1993-01-01	0.061084000000000006
1994-01-01	0.060989999999999996
1995-01-01	0.099167999999999990
1996-01-01	0.139986000000000000
1997-01-01	0.038874000000000000
1998-01-01	0.018741999999999998
1999-01-01	0.030045000000000000
2000-01-01	0.513760999999999900
2001-01-01	0.287796999999999970
2002-01-01	0.283851000000000000
2003-01-01	0.687980000000000000
2004-01-01	0.811170000000000000
2005-01-01	1.316620000000000100
2006-01-01	1.305520000000000000
2007-01-01	0.461320000000000000
2008-01-01	0.326904000000000000
2009-01-01	1.902710000000000000
2010-01-01	1.791559999999999800
2011-01-01	2.370170000000000000
2012-01-01	1.667679999999999800
2013-01-01	0.969386000000000100
2014-01-01	1.122180000000000000
2015-01-01	1.339360000000000000
2016-01-01	1.548960000000000100
2017-01-01	1.457690000000000000