Year	% of GNI
2002	-17.5105965226816
2003	-35.2609639117596
2004	-7.44560444334691
2005	-6.76933234693807
2006	-6.30861398968188
2007	-1.08317174394946
2008	-7.1257878834251
2009	-7.34768076119992
2010	-11.1579621114256
2011	-15.5283132449367
2012	-21.1533435753408
2013	-20.7618321853468
2014	-22.0103317546604
2015	-15.5486831070196
2016	-15.120097928408
2017	-18.0959501885038
2018	-22.2817472708717
2019	-25.8405296829645
2020	-18.5931658750145
2021	-25.0916838492607