Year	%
2000	63.06279
2001	44.77277
2002	45.583
2003	40.99768
2004	37.2384
2005	34.41201
2006	31.81344
2007	33.18132
2008	32.84511
2009	30.04602
2010	34.88842
2011	34.0139
2012	33.64361
2013	33.70755
2014	16.67974
2015	15.94627
2016	14.91586
2017	14.24501
2020	14.25868