Year	%
1995	27.98
1998	23.56
1999	52.32
2000	52.34
2001	52.3
2002	19.52
2003	51.43
2004	45.19
2005	37.03
2006	43.29
2007	42.86
2008	37.05
2009	32.75
2010	33.01
2011	30.64
2012	28.77
2013	24.22
2014	23.19
2015	22.97
2016	29.55
2017	39.78
2018	35.27
2019	99.4