Year	Percent
1999	101.61912
2000	97.14286
2001	94.40407
2002	94.75524
2003	90.21592
2004	90.5599
2005	88.19797
2006	93.18612
2007	95.58824
2008	95.13303
2009	96.24258
2010	94.7861
2013	96.57064
2014	101.18056