Year	% of merchandise exports
1963	38.2208371338718
1964	38.93751140561484
1965	35.761718332985254
1966	32.74253057212868
1967	29.005004438268156
1968	28.11144160849055
1969	25.945041868529415
1970	24.82113906294277
1971	22.832272254212498
1972	19.52822290672623
1973	20.506042512254425
1974	19.118445972153086
1975	15.524603559916208
1976	16.0980177720894
1977	15.855770599089999
1978	16.38611865804466
1979	18.68304154043812
1980	19.10103338084126
1981	16.123270169411093
1982	12.795566285801419
1983	12.97661525135603
1984	13.534363385920795
1985	11.94082824195634
1986	11.342575562144287
1987	12.364611957136471
1988	11.93944112474705
1989	11.486185097159508
1990	9.61458430043817
1991	8.722472358787176
1992	8.29835736826647
1993	8.126193044155189
1994	9.309717903264424
1995	8.362792455293961
1996	7.077734227944325
1997	7.337582763902792
1998	6.492050329278457
1999	6.540004222003646
2000	6.329424090044062
2001	5.911586658875513
2002	6.232946992461742
2003	6.2774638763210335
2004	6.018204537968484
2005	5.220098971470769
2006	5.53258972623218
2007	5.320619795666247
2008	4.3588536134280025
2009	4.212633449370507
2010	5.897248382357343
2011	5.954108850679673
2012	6.13050717514729
2013	7.225425655296212
2014	6.854718948491614
2015	7.760188910938805
2016	7.548800835140577
2017	7.434357783987557
2018	7.859935452751181
2019	7.149069683422312
2020	6.661946087347653
2021	8.429245818259458
2022	7.410825499379792
2023	6.794474008451521
