Year	%
1996	15.87755
1997	15.95518
2000	9.075483
2001	9.375154
2002	15.5775
2008	23.10773
2009	23.2874
2010	13.7535
2011	26.50252
2012	14.80986
2013	25.2454
2014	15.1821
2015	12.30471
2016	3.098504
2017	4.341566
2018	2.047164
2019	2.216437
2020	2.250903
2021	6.501289