Year	Percent
1993-01-01	1.4979400000000000
1994-01-01	1.2323899999999999
1995-01-01	1.2911000000000000
1996-01-01	0.9766520000000001
1997-01-01	1.0055100000000001
1998-01-01	1.3900600000000000
1999-01-01	1.6581000000000000
2000-01-01	2.0293600000000000
2001-01-01	2.4468700000000000
2002-01-01	11.2130000000000000
2003-01-01	12.1803000000000000
2004-01-01	11.3090000000000010
2005-01-01	14.9051000000000000
2006-01-01	16.0690000000000030
2007-01-01	16.7918000000000000
2008-01-01	21.7381000000000000
2009-01-01	23.2076000000000000
2010-01-01	21.6470000000000000
2011-01-01	22.2956000000000000
2012-01-01	25.4274000000000000
2013-01-01	29.0014000000000000
2014-01-01	29.4391000000000000
2015-01-01	31.4324000000000000
2016-01-01	31.2883000000000000
2017-01-01	28.3104000000000000