Year	% of total
1995	100
1998	99.4
2000	99.4
2002	99.5
2004	100
2005	100
2006	100
2007	100
2008	100
2009	100
2010	100
2011	100
2012	100
2013	100
2014	100
2015	100
2018	100
2019	100
2020	100