Year	%
1993	2.929883
1994	32.10903
1996	30.90618
1997	41.4788
2001	21.92088
2002	20.26797
2005	18.64365
2007	37.56315
2008	37.84881
2009	37.79293
2010	19.96724
2011	23.88074
2012	7.129337
2013	23.4644
2014	9.882136
2015	5.680333
2016	4.988934
2017	3.85918
2018	0.4110024
2019	0.506972
2020	0.4692633
2021	1.000425