Year	Percent
1999-01-01	21.66940000000000
2000-01-01	25.62490000000000
2001-01-01	23.89070000000000
2002-01-01	23.02540000000000
2003-01-01	29.35820000000000
2004-01-01	37.61580000000000
2005-01-01	40.80000000000000
2006-01-01	50.63070000000000
2007-01-01	61.92480000000000
2008-01-01	44.01660000000000
2009-01-01	91.46750000000000
2010-01-01	95.25299999999999
2011-01-01	80.38110000000000
2012-01-01	98.44000000000000
2013-01-01	116.62200000000001
2014-01-01	124.40299999999999
2015-01-01	156.08500000000000
2016-01-01	171.46800000000000