Year	% of internal resources
1994	329.0269277845777
1995	328.6355423439412
1996	328.24415690391675
1997	327.8527714632803
1998	327.4613860232558
1999	327.07000058261934
2000	326.6786151425949
2001	328.88616891064873
2002	321.8788249694002
2003	314.8714810281518
2004	307.8641370869033
2005	300.8567931456548
2006	301.7407860734394
2007	302.624779001836
2008	303.50877192962054
2009	304.39276485801713
2010	305.27675778580175
2011	306.1607507141983
2012	307.04474364198285
2013	307.92873657037944
2014	308.812729498164
2015	337.45410036719704
2016	333.843329253366
2017	360.4651162790697
2018	360.4895960832314
2019	360.4895960832314
2020	360.4895960832314