Year	%
2002	2.497783
2005	1.810865
2007	49.35284
2008	46.95254
2009	48.43185
2011	48.78334
2012	1.469342
2013	49.01972
2014	49.67143
2015	47.87932
2019	1.67283
2020	1.280153
2021	1.911682