Year	Percent
1993-01-01	5.03486331351202
1994-01-01	4.43796827710979
1995-01-01	4.23293206335951
1996-01-01	3.31493120016806
1997-01-01	3.54814079751743
1998-01-01	2.48255196701458
1999-01-01	1.62999999999998
2000-01-01	2.14885532743703
2001-01-01	2.01102307888510
2002-01-01	1.79743064850538
2003-01-01	2.11448359763521
2004-01-01	2.28621706801677
2005-01-01	3.31717824448033
2006-01-01	3.20413013193478
2007-01-01	4.51302643925595
2008-01-01	8.34606092985965
2009-01-01	2.58702064727541
2010-01-01	2.48333825928924
2011-01-01	4.38787509783473
2012-01-01	3.14315377639498
2013-01-01	2.29753612004962
2014-01-01	1.44514947233022