Year	%
1990	38.14
1993	47.52
1995	89.59
1996	49.05
1997	17.43
1998	17.75
1999	18.17
2000	12.3
2001	11.97
2002	11.76
2003	14.88
2004	11.93
2005	12.47
2006	12.34
2007	9.83
2008	8.17
2009	8.6
2010	7.59
2011	9.36
2012	8.57
2013	10.14
2014	11.04
2015	11.88
2016	13.66
2017	18.25
2018	17.51
2019	66.91
2020	14.15
2021	12.19