Year	%
1986	78.15947
1987	80.50668
1988	82.59486
1989	82.40235
1990	84.22456
1992	88.04616
1993	88.87538
2000	91.86817
2001	92.22898
2002	95.67547
2003	100
2004	85.93791
2005	83.9894
2006	96.16436
2007	98.82815
2008	98.70234
2009	96.16295
2010	96.87028
2011	96.78847
2016	94.4878