Year	%
1994	18.61053
1999	28.03389
2001	33.17054
2002	32.13597
2003	34.90091
2004	31.15094
2005	30.83059
2006	31.03388
2007	32.967
2008	19.7491
2009	20.25399
2010	23.78657
2012	16.48646
2013	20.71274
2014	20.87733
2015	19.97052
2016	20.87451
2017	20.94936
2018	16.66305
2019	14.7376
2020	14.44614
2021	9.487605