Year	Percent
1994	107.63525
1995	102.70646
2000	92.03672
2001	93.74106
2002	95.3694
2003	96.46486
2004	103.5932
2005	104.3684
2006	100.80935
2007	97.50335
2008	101.84951
2009	103.22793
2010	107.21052
2011	113.56859
2012	107.35215
2013	108.7986
2014	114.08976
2015	113.34136
2016	109.12035
2017	109.41675