Year	%
2000	27.85402
2001	27.77458
2002	26.75578
2003	19.6802
2004	17.16941
2005	20.13025
2006	19.90421
2008	88.5173
2009	88.22782
2010	19.86163
2011	20.08076
2012	12.85645
2013	12.7276
2014	11.53633
2015	11.07926
2016	10.93057
2017	16.19145
2018	14.01052
2019	14.33934
2020	14.29558
2021	14.23498