Year	%
1999	25.09047
2000	37.25713
2001	25.037
2002	25.32992
2004	24.67846
2005	24.42727
2006	21.10126
2007	25.03434
2014	24.69386
2015	25.59806
2016	25.59806
2017	24.50187
2018	26.25164
2019	26.10333
2020	25.05255