Year	% of GNI
1990	22.5432116290718
1991	23.9872718722847
1992	23.5779237742562
1993	25.9987574556335
1994	25.019946350351
1995	24.2353504384806
1996	22.385083843914
1997	17.6312462866214
1998	14.066316806608
1999	14.177396344636
2000	13.5028758616614
2001	10.3434049694976
2002	12.1367758234988
2003	12.9017326990505
2004	13.3234543860152
2005	13.2082689298965
2006	15.8056179746569
2007	18.3295232157542
2008	15.1219953268133
2009	14.6411355794124
2010	15.0925431311827
2011	16.8729418830296
2012	12.9928007350297
2013	11.5019963244307
2014	10.8605348756983
2015	11.6672286821283
2016	14.1324739913951
2017	16.2902527821084
2018	15.907700072246
2019	15.6568956178304
2020	10.2653583740907
2021	9.6031660862967