Year	Percent
1995-01-01	0.88942000000000010
1996-01-01	1.20044000000000000
1997-01-01	0.35029299999999997
1998-01-01	0.74215600000000000
1999-01-01	1.93176000000000000
2000-01-01	11.89500000000000000
2001-01-01	13.18250000000000000
2002-01-01	20.48080000000000000
2003-01-01	48.69610000000000000
2004-01-01	103.96900000000000000
2005-01-01	133.79600000000000000
2006-01-01	161.84700000000000000
2007-01-01	212.17200000000000000
2008-01-01	229.29600000000000000
2009-01-01	279.00400000000000000
2010-01-01	452.52400000000000000
2011-01-01	498.33500000000000000
2012-01-01	634.07100000000000000
2013-01-01	523.62100000000000000