Year	% of internal resources
2010	0.7591508052708638
2011	0.8025378233528552
2012	0.8459248413616399
2013	0.8893118594436311
2014	0.8792825768667644
2015	0.9160322108345536
2016	0.8868228404099562
2017	0.8868228404099562
2018	0.8868228404099562
2019	0.8868228404099562
2020	0.8868228404099562