Year	Percent
1993	98.07943
1994	91.61665
1995	95.12796
1996	85.85389
1997	97.25412
1998	94.49772
1999	91.76932
2000	85.49743
2001	93.9815
2002	100.99123
2003	90.24809
2004	94.8575
2005	89.6128
2006	90.93143
2007	98.49185
2008	89.7156
2009	91.42844
2010	88.97885
2011	92.18356
2012	91.59459
2013	86.54668
2014	97.61052
2015	101.61833
2016	109.72021