Year	%
1995	54.07772
1997	0
1998	47.22308
1999	56.26964
2000	56.14566
2001	56.23216
2002	53.06573
2003	53.21916
2004	27.51875
2005	21.72035
2006	26.04833
2007	21.86606
2008	18.20561
2009	18.45989
2010	18.67639
2011	18.29175
2012	17.35299
2013	18.45662
2014	10.24496
2015	10.49228
2016	9.785949
2017	11.19528
2018	11.46754
2019	8.537388
