Year	%
1996	53.4809
1999	46.89495
2000	49.44247
2001	48.14987
2002	49.06788
2003	49.03288
2006	42.73927
2007	51.4193
2010	54.11899
2011	54.48207
2012	43.55387
2013	43.55387
2015	49.7962
2016	48.97046
2017	49.05797
2018	43.291
2019	42.49954
2020	42.58464
2021	45.30497