Year	%
1995	62.90316
1996	59.10398
1997	61.3743
1998	57.68141
1999	51.75517
2000	37.90419
2001	38.25321
2002	40.13546
2004	38.71074
2005	19.75021
2006	11.29599
2007	12.02099
2008	19.91038
2009	11.96001
2010	11.57173
2011	6.945476
2012	3.104536
2013	10.78822
2014	9.567448
2015	9.649763
2016	9.695178
2017	8.415118
2018	2.312019
2019	2.461569
2020	2.318367
2021	2.330815