Year	% of GNI
1975	5.616701388655055
1976	-5.755309382702262
1977	-8.748558339747989
1978	1.4116661541445004
1979	-4.740137477579959
1980	-1.0698741758740369
1981	2.6025845787928987
1982	-9.461544625158771
1983	-5.758957679510552
1984	0.7308960414386101
1985	13.166219840834572
1986	9.295855206809211
1987	11.480305181749513
1988	16.54229887621843
1989	14.390470991708264
1990	6.856247672375862
1991	17.707716383630107
1992	15.386832774908493
1993	7.8204343063655815
1994	44.8879990391603
1995	17.0764549034666
1996	18.339747542223257
1997	10.737060379811048
1998	17.56363467873438
2012	37.758052071940725
2013	36.479554882124546
2014	23.768156477014774
2015	22.114259117655713
2016	28.494727300915645
2017	30.804186221180665
2018	32.87454359618171
2019	35.04367760435776
2020	38.039180700510656
2021	35.50679213945634
2022	31.580971529662364