Year	Percent
1993-01-01	5.6525500000000000
1994-01-01	6.8377300000000005
1995-01-01	8.2615800000000000
1996-01-01	7.7476600000000010
1997-01-01	9.0077100000000010
1998-01-01	11.3818000000000000
1999-01-01	11.2893000000000000
2000-01-01	11.6472000000000000
2001-01-01	13.1416000000000000
2002-01-01	14.9505000000000000
2003-01-01	16.8656000000000000
2004-01-01	18.9505000000000000
2005-01-01	21.2575000000000000
2006-01-01	24.3153000000000000
2007-01-01	29.0773000000000000
2008-01-01	33.8403000000000000
2009-01-01	42.6362000000000000
2010-01-01	37.7307000000000000
2011-01-01	37.6905000000000000
2012-01-01	40.3507000000000000
2013-01-01	44.5548000000000000
2014-01-01	48.4687000000000000
2015-01-01	55.0138000000000000
2016-01-01	54.4512000000000000