Year	%
1990	47.33
1993	56.91
1995	89.59
1996	52.51
1997	19.68
1998	20.47
1999	20.54
2000	13.35
2001	12.89
2002	13.31
2003	16.63
2004	13.6
2005	13.86
2006	12.84
2007	11.86
2008	9.96
2009	10.62
2010	9.32
2011	11.35
2012	10.43
2013	12.46
2014	13.51
2015	14.96
2016	16.97
2017	21.71
2018	20.66
2019	70.25
2020	18.28
2021	15.69