Year	Percent
1995	90.41768
1996	110.02103
1997	105.95463
1998	100.51862
1999	89.68341
2000	96.93975
2001	98.60488
2002	101.21444
2003	110.48498
2004	105.9839
2005	113.20672
2006	109.87279
2007	114.32606
2008	107.19053
2009	83.85543
2010	92.86206
2011	105.6006
2012	101.23703
2013	99.1904
2014	95.9068
2015	91.41243
2016	89.24412
2017	89.27362