Year	% of GDP per capita
1998	13.71599
2000	21.62945
2003	19.70466
2005	15.82358
2007	20.06391
2009	17.31536
2010	15.78195
2011	17.52392
2013	17.38823
2014	18.2446
2015	16.7271
2016	17.94852
2017	17.84389
2018	17.50517