Year	% of internal resources
1993	0.3211009174311926
1994	0.3887116055045871
1995	0.45632229816513753
1996	0.523932986238532
1997	0.5915436788990825
1998	0.6591543669724771
1999	0.7267650596330275
2000	0.7943757477064219
2001	0.8619864357798164
2002	0.9295971284403669
2003	0.9972078165137614
2004	1.0648185091743119
2005	1.1324291972477063
2006	1.2000398899082567
2007	1.2676505779816514
2008	1.3352612706422018
2009	1.4028719587155962
2010	1.4704826467889907
2011	1.5380933394495413
2012	1.6057040275229357
2013	1.6733147201834857
2014	1.7409254082568806
2015	1.8085361009174308
2016	1.8761467889908254
2017	1.8761467889908254
2018	1.8761467889908254
2019	1.8761467889908254
2020	1.8761467889908254