Year	Percent
1989-01-01	24.41850000000000
1990-01-01	51.42460000000000
1991-01-01	60.16830000000000
1992-01-01	78.75990000000000
1993-01-01	55.71380000000000
1994-01-01	114.99200000000000
1995-01-01	285.94000000000000
1996-01-01	179.26500000000000
1997-01-01	127.30600000000000
1998-01-01	152.11400000000000
1999-01-01	117.65700000000001
2000-01-01	218.48800000000000
2001-01-01	152.20400000000000
2002-01-01	175.33400000000000
2003-01-01	187.16800000000000
2004-01-01	173.60100000000000
2005-01-01	153.12900000000000
2006-01-01	145.17400000000000
2007-01-01	142.15200000000002
2008-01-01	106.48000000000000
2009-01-01	193.11400000000000
2010-01-01	147.67500000000000
2011-01-01	153.71300000000000
2012-01-01	145.01500000000000
2013-01-01	149.67500000000000
2014-01-01	187.37400000000002
2015-01-01	189.74200000000002
2016-01-01	164.73800000000000
2017-01-01	204.70600000000000