Year	%
1995	0
1996	38.64103
1997	38.64103
1998	38.64103
1999	33.59768
2001	50.06333
2002	51.71118
2003	51.311
2004	51.22511
2005	49.71217
2006	45.43966
2007	49.35474
2008	49.35474
2009	47.30424
2010	47.30424
2011	46.68397
2012	45.09357
2013	45.09357
2014	45.08302
2015	37.92567
2016	37.92567
2017	41.26622
2018	40.92247
2019	37.55407
2020	38.39374
2021	37.89373