Year	Percent
1996-01-01	0.013465999999999999
1997-01-01	0.023928000000000000
1998-01-01	0.028651000000000000
1999-01-01	0.056996000000000005
2000-01-01	1.340300000000000000
2001-01-01	2.181040000000000300
2002-01-01	2.811790000000000200
2003-01-01	3.037920000000000000
2004-01-01	2.886730000000000000
2005-01-01	2.795379999999999800
2006-01-01	2.878800000000000000
2007-01-01	3.706580000000000000
2008-01-01	3.767940000000000300
2009-01-01	5.067909999999999500
2010-01-01	4.804680000000000000
2011-01-01	4.794080000000000000
2012-01-01	4.806540000000000000
2013-01-01	5.273580000000000000
2014-01-01	5.508470000000000000
2015-01-01	9.308920000000000000
2016-01-01	10.155400000000000000
2017-01-01	10.848500000000000000