Year	%
1993	63.60746
2000	17.47512
2001	15.2452
2002	69.65427
2003	13.08197
2005	55.90315
2006	56.1213
2008	52.76294
2009	36.08234
2010	34.72424
2011	31.96861
2012	33.38355
2013	34.70088
2014	34.39386
2015	34.78295
2016	36.15921
2018	34.81583
2019	36.91367
2020	37.01954
2021	35.65297