Year	%
1993	0
1996	0
2001	48.95644
2002	49.56706
2003	49.22681
2004	49.1143
2005	49.05647
2006	48.63207
2007	47.07078
2008	47.0665
2009	46.84679
2010	45.64877
2011	44.98025
2012	45.01992
2013	45.01992
2014	45.53596
2015	42.64863
2016	41.48204
2017	41.66041
2018	40.13969
2019	40.97868
2020	41.10472
2021	41.10472