Year	Percent
2000	10.78508
2001	10.58548
2002	11.17328
2003	12.76795
2004	13.68704
2005	13.30026
2006	13.31614
2007	13.05597
2008	11.89579
2009	12.98623
2010	12.89285
2011	12.54521
2012	12.99131
2013	13.0256
2014	12.60926
2015	14.0945
2016	15.37573