Year	%
2000	37.898
2001	18.524
2005	31.64
2007	31.293
2008	35.125
2009	38.807
2011	35.552
2012	32.028
2013	31.091
2014	35.462
2015	34.447
2016	29.992
2017	26.753
2018	30.443
2019	28.492
2020	30.929
2021	28.556
2022	29.98