Year	Percent
1995	7.87693
1996	15.44401
1998	10.76245
1999	3.48256
2000	15.36325
2001	17.14583
2002	6.16255
2003	1.96252
2004	9.46596
2005	1.84294
2006	2.87617
2007	2.15327
2008	3.04521
2009	4.94169
2010	0.97757
2011	3.01331
2012	4.6365
2013	5.28718
2015	11.86204
2016	18.49041