Year	Percent
1992-01-01	2.072460000000000
1993-01-01	8.414069999999999
1994-01-01	9.433480000000000
1995-01-01	10.231900000000000
1996-01-01	22.214500000000000
1997-01-01	35.570600000000000
1998-01-01	31.910200000000000
1999-01-01	22.615500000000000
2000-01-01	61.598400000000000
2001-01-01	45.363000000000000
2002-01-01	27.127900000000000
2003-01-01	21.717900000000000
2004-01-01	23.066300000000000
2005-01-01	19.958000000000000
2006-01-01	28.119500000000000
2007-01-01	103.485000000000000
2008-01-01	119.885000000000000
2009-01-01	114.725000000000000
2010-01-01	131.951000000000000
2011-01-01	102.342000000000010
2012-01-01	69.550200000000000
2013-01-01	66.756300000000000
2014-01-01	94.191000000000000
2015-01-01	230.502000000000000
2016-01-01	248.231000000000000
2017-01-01	144.000000000000000