Year	Percent
1992-01-01	7.11350000000000
1993-01-01	8.52489000000000
1994-01-01	14.47790000000000
1995-01-01	15.21990000000000
1996-01-01	15.52950000000000
1997-01-01	31.36730000000000
1998-01-01	26.79630000000000
1999-01-01	28.82250000000000
2000-01-01	27.20830000000000
2001-01-01	31.73620000000000
2002-01-01	48.21140000000000
2003-01-01	137.30100000000002
2004-01-01	204.38000000000000
2005-01-01	233.12500000000000
2006-01-01	287.62400000000000
2007-01-01	163.76800000000000
2008-01-01	133.98900000000000
2009-01-01	107.55000000000000
2010-01-01	59.75950000000000
2011-01-01	83.24840000000000
2012-01-01	143.91200000000000
2013-01-01	86.29880000000000
2014-01-01	119.27500000000000
2015-01-01	96.62330000000000
2016-01-01	69.48270000000000
2017-01-01	48.46620000000000