Year	Percent
1994-01-01	25.9173
1995-01-01	22.9533
1996-01-01	18.7466
1997-01-01	20.6982
1998-01-01	22.2677
1999-01-01	22.9269
2000-01-01	24.8132
2001-01-01	27.8202
2002-01-01	29.5024
2003-01-01	31.4526
2004-01-01	33.8669
2005-01-01	36.6481
2006-01-01	40.3182
2007-01-01	37.9287
2008-01-01	37.6756
2009-01-01	46.8256
2010-01-01	50.7775
2011-01-01	45.8415
2012-01-01	43.1017
2013-01-01	42.3819
2014-01-01	51.3300
2015-01-01	61.4512
2016-01-01	63.3197