Year	% of GNI
2008	21.1382807639221
2009	22.2626000039822
2010	19.9794381020292
2011	22.0988015245577
2012	24.98328948448
2013	25.860403231344
2014	20.1756786758182
2015	21.319085083963
2016	25.2300550916833
2017	28.7062335002871
2018	28.1589171838648
2019	28.2368955398275
2020	25.9553529518242
2021	26.7123337320312
