Year	% of internal resources
1996	8.299999999999999
1997	8.299999999999999
1998	8.299999999999999
1999	8.299999999999999
2000	8.299999999999999
2001	8.299999999999999
2002	8.299999999999999
2003	8.299999999999999
2004	8.299999999999999
2005	8.58333335
2006	8.86666665
2007	9.15
2008	9.43333335
2009	9.71666665
2010	10
2011	10
2012	10
2013	10
2014	10
2015	10
2016	10
2017	10
2018	10
2019	10
2020	10