Year	Percent
1999-01-01	56.43600000000001
2000-01-01	61.43050000000000
2001-01-01	55.09610000000000
2002-01-01	46.71070000000000
2003-01-01	62.14580000000000
2004-01-01	68.73720000000000
2005-01-01	70.62740000000000
2006-01-01	77.91810000000000
2007-01-01	79.50830000000000
2008-01-01	45.81180000000000
2009-01-01	68.55120000000000
2010-01-01	77.56220000000000
2011-01-01	68.69350000000000
2012-01-01	87.00180000000000
2013-01-01	96.15290000000000
2014-01-01	98.62180000000000
2015-01-01	102.94100000000000
2016-01-01	108.14399999999999