Year	Percent
1993	100.0441
1994	96.41875
1995	95.88124
1996	96.41224
1997	98.559
1999	101.21683
2000	104.12187
2001	105.60008
2002	101.50924
2003	100.5509
2004	99.36349
2005	96.78515
2006	98.40588
2007	103.44922
2008	101.89909
2009	102.30844
2010	101.946
2011	101.50885
2012	99.28615
2013	99.61108
2014	98.81083
2015	100.48256