Year	Percent
1995	78.78508
1996	90.77293
1998	89.21169
1999	92.45722
2000	94.83705
2001	100.18718
2002	101.62685
2003	107.39117
2004	102.74631
2005	103.57019
2006	96.85558
2007	95.59589
2008	95.23674
2009	98.81711
2010	101.98148
2011	101.5529
2012	105.03523
2013	104.78028
2014	100.17977
2015	98.26682