Year	Percent
1992-01-01	108.2363135717680
1993-01-01	90.4404309567073
1994-01-01	103.6898328288110
1995-01-01	115.2866531161290
1996-01-01	109.8787744252920
1997-01-01	129.7482904159320
1998-01-01	132.3026848598850
1999-01-01	118.0139412036800
2000-01-01	110.9554409444350
2001-01-01	109.5689922561950
2002-01-01	110.7334248231650
2003-01-01	105.8517791229330
2004-01-01	105.1831934023790
2005-01-01	115.3681552074020
2006-01-01	121.9346212283410
2007-01-01	127.7296698531230
2008-01-01	127.3140818561450
2009-01-01	121.3919119411570
2010-01-01	113.0786204537940
2011-01-01	108.5379480384920
2012-01-01	112.8063460216650
2013-01-01	113.6190662686380
2014-01-01	118.9540249096320
2015-01-01	136.3821675680170
2016-01-01	134.9933156857160
2017-01-01	123.5996970876150