Year	Percent
1992-01-01	22.50750000000000
1993-01-01	18.90590000000000
1994-01-01	18.90590000000000
1995-01-01	19.10790000000000
1996-01-01	18.71210000000000
1997-01-01	20.20440000000000
1998-01-01	22.05560000000000
1999-01-01	30.13710000000000
2000-01-01	38.71590000000000
2001-01-01	46.24250000000000
2002-01-01	50.29870000000000
2003-01-01	54.17180000000000
2004-01-01	61.94460000000000
2005-01-01	63.01440000000000
2006-01-01	70.66290000000000
2007-01-01	82.64450000000000
2008-01-01	89.66640000000000
2009-01-01	94.23340000000000
2010-01-01	100.97500000000000
2011-01-01	97.35799999999999
2012-01-01	95.79700000000001
2013-01-01	107.04100000000000
2014-01-01	117.67000000000000
2015-01-01	128.38200000000000
2016-01-01	139.47200000000000