Year	%
2000	100
2001	100
2002	96.93723
2003	98.07133
2004	98.18849
2005	100
2006	98.66716
2007	99.99814
2008	99.53774
2009	99.83377
2010	98.06436
2011	99.11135
2012	99.59956
2013	99.45424
2014	99.49335
2015	99.94988
2016	99.23767
2017	99.75871