Year	% of GNI
1991	19.899454937840773
1992	16.41901297108575
1993	12.16627234517779
1994	16.143121824829397
1995	20.204165771522547
1996	21.7337584851684
1997	22.898807028337576
1998	22.75739643359222
1999	20.007068857188496
2000	20.438574601894402
2001	20.99193104539609
2002	19.66165364414063
2003	16.721633040566612
2004	17.782970799938912
2005	17.68288296059488
2006	19.27337927896899
2007	18.139844610790192
2008	18.944561284422466
2009	20.679155281867477
2010	21.776368618943508
2011	22.001313156322418
2012	21.996158600999653
2013	25.216836993437568
2014	25.700121978997345
2015	26.60532367740686
2016	26.45127474892998
2017	25.754694420114237
2018	27.828477032817442
2019	28.1901991252779
2020	26.89147413476894
2021	27.437681415804548
2022	26.396899852376535
2023	27.076398165380727