Year	% of internal resources
1994	5.799256505576208
1995	6.109304006815366
1996	6.419351507434944
1997	6.729399008674101
1998	7.039446509913259
1999	7.349494010532837
2000	7.659541511771996
2001	7.974814126394052
2002	8.29008674101611
2003	8.328872366790582
2004	8.367657992565055
2005	8.406443618339528
2006	8.406443618339528
2007	8.406443618339528
2008	8.406443618339528
2009	8.406443618339528
2010	8.406443618339528
2011	8.406443618339528
2012	8.406443618339528
2013	8.406443618339528
2014	8.406443618339528
2015	8.406443618339528
2016	8.406443618339528
2017	8.406443618339528
2018	8.406443618339528
2019	8.406443618339528
2020	8.406443618339528