Year	Percent
1992-01-01	6.540170000000000
1993-01-01	6.456840000000001
1994-01-01	15.846100000000000
1995-01-01	21.383200000000000
1996-01-01	20.223300000000000
1997-01-01	29.127900000000000
1998-01-01	66.577000000000000
1999-01-01	92.297000000000010
2000-01-01	95.781900000000000
2001-01-01	102.376000000000000
2002-01-01	104.928000000000000
2003-01-01	106.383000000000000
2004-01-01	105.597000000000010
2005-01-01	105.967000000000010
2006-01-01	120.252999999999990
2007-01-01	141.602999999999980
2008-01-01	173.372000000000000
2009-01-01	200.182000000000020
2010-01-01	183.009000000000010
2011-01-01	156.808000000000000
2012-01-01	141.410000000000000
2013-01-01	130.997000000000000
2014-01-01	134.496000000000000
2015-01-01	137.232000000000000
2016-01-01	124.288000000000000