Year	Percent
1992-01-01	164.75900000000001
1993-01-01	149.98700000000000
1994-01-01	214.52900000000002
1995-01-01	108.81400000000000
1996-01-01	322.12000000000000
1997-01-01	230.32900000000000
1998-01-01	130.66200000000000
1999-01-01	134.74100000000000
2000-01-01	158.05700000000002
2001-01-01	81.37970000000000
2002-01-01	67.69300000000000
2003-01-01	77.30420000000000
2004-01-01	105.93400000000000
2005-01-01	91.58880000000000
2006-01-01	150.09799999999998
2007-01-01	226.39200000000000
2008-01-01	114.44300000000000
2009-01-01	292.91300000000000
2010-01-01	217.32500000000000
2011-01-01	173.00700000000000
2012-01-01	139.57700000000000
2013-01-01	198.90099999999998
2014-01-01	239.14700000000002
2015-01-01	556.91199999999990
2016-01-01	242.98000000000000
2017-01-01	216.54800000000000