Year	Percent
1989-01-01	27.41130000000000
1990-01-01	34.41890000000000
1991-01-01	68.26640000000000
1992-01-01	64.22430000000000
1993-01-01	74.04390000000000
1994-01-01	97.45440000000000
1995-01-01	99.25970000000000
1996-01-01	87.76700000000001
1997-01-01	80.70360000000000
1998-01-01	72.25130000000000
1999-01-01	76.35200000000000
2000-01-01	80.43240000000000
2001-01-01	76.00850000000000
2002-01-01	73.01160000000000
2003-01-01	90.70820000000000
2004-01-01	108.53600000000000
2005-01-01	107.47700000000000
2006-01-01	103.29100000000000
2007-01-01	111.75700000000000
2008-01-01	97.70370000000000
2009-01-01	102.11700000000000
2010-01-01	136.53000000000000
2011-01-01	125.56200000000001
2012-01-01	109.03100000000000
2013-01-01	102.91400000000000
2014-01-01	89.42030000000000
2015-01-01	81.06590000000000
2016-01-01	79.69140000000000
2017-01-01	93.33420000000000