Year	Percent
1993-01-01	3.8251699999999995000
1994-01-01	3.2585100000000000000
1995-01-01	1.7850800000000000000
1996-01-01	0.5553120000000000000
1997-01-01	0.6872760000000000000
1998-01-01	1.6682800000000000000
1999-01-01	2.4463200000000000000
2000-01-01	2.2020400000000000000
2001-01-01	1.8695200000000000000
2002-01-01	1.9137099999999998000
2003-01-01	1.7085299999999999000
2004-01-01	1.5020600000000000000
2005-01-01	1.1456000000000000000
2006-01-01	0.5573610000000000000
2007-01-01	0.2269659999999999700
2008-01-01	0.2198800000000000200
2009-01-01	0.1180150000000000100
2010-01-01	0.0134680000000000000
2011-01-01	0.0117240000000000000
2012-01-01	0.0097530000000000000
2013-01-01	0.0067230000000000010
2014-01-01	0.0037290000000000000
2015-01-01	0.0036950000000000004
2016-01-01	0.0033410000000000000