Year	Percent
1999-01-01	31.659300000000000
2000-01-01	45.453700000000000
2001-01-01	54.713800000000000
2002-01-01	61.302200000000000
2003-01-01	91.413700000000000
2004-01-01	145.336000000000000
2005-01-01	204.857000000000000
2006-01-01	291.582999999999970
2007-01-01	253.567999999999980
2008-01-01	288.256000000000000
2009-01-01	408.106999999999970
2010-01-01	381.243000000000050
2011-01-01	316.341000000000000
2012-01-01	322.890000000000000
2013-01-01	311.118000000000000
2014-01-01	273.233000000000000
2015-01-01	40.159500000000000
2016-01-01	50.403999999999996