Year	%
1993	0
2001	51.48985
2002	50.90299
2003	52.85014
2004	52.75128
2005	52.00401
2006	47.89935
2007	46.49805
2008	46.49805
2009	46.49805
2010	45.22758
2011	45.32167
2012	45.33015
2013	45.33015
2014	46.76981
2015	33.81989
2016	34.68661
2017	39.39517
2018	38.06602
2019	36.32854
2020	35.99831
2021	37.47348