Year	Percent
2000-01-01	51.45070000000000
2001-01-01	55.85190000000000
2002-01-01	57.54250000000000
2003-01-01	94.69920000000000
2004-01-01	118.08700000000000
2005-01-01	125.48899999999999
2006-01-01	175.11000000000000
2007-01-01	243.17200000000000
2008-01-01	125.49200000000000
2009-01-01	233.00400000000002
2010-01-01	254.43700000000000
2011-01-01	192.71500000000000
2012-01-01	230.55500000000000
2013-01-01	251.65300000000000
2014-01-01	253.34599999999998
2015-01-01	256.90200000000000
2016-01-01	273.35000000000000