Year	Percent
1993-01-01	7.62446000000000100
1994-01-01	4.10259000000000000
1995-01-01	4.77451000000000000
1996-01-01	2.95018000000000000
1997-01-01	2.94231000000000000
1998-01-01	0.48885200000000006
1999-01-01	1.48055000000000000
2000-01-01	2.49933000000000000
2001-01-01	0.90091599999999990
2002-01-01	1.20614000000000000
2003-01-01	1.88759000000000000
2004-01-01	4.15903000000000040
2005-01-01	4.97248000000000000
2006-01-01	8.00958000000000000
2007-01-01	7.04944000000000000
2008-01-01	3.48843000000000000
2009-01-01	17.38260000000000000
2010-01-01	2.15097000000000000
2011-01-01	1.94235999999999990
2012-01-01	2.32684000000000020