Year	% of total merchandise exports
1960	14.249167763826895
1961	11.871971059797302
1962	9.639346658384184
1963	10.130926099975957
1964	9.996696134477338
1965	10.301159847781358
1966	12.187768067198341
1967	15.615938605989696
1968	12.264418537016224
1969	12.296117131672352
1970	8.821330395138487
1971	9.10616547431596
1972	8.609526225865528
1973	8.123942475096008
1974	10.566573511408357
1975	13.178751425559835
1976	13.43823039644804
1977	12.8098168108984
1978	12.72887542296101
1979	14.142439574941474
1980	16.000273578735932
1981	20.058566613849138
1982	20.863131969237212
1983	19.26310100829212
1984	17.03577271992237
1985	17.597085288515643
1986	16.6216700007361
1987	15.018560823170482
1988	16.215512630190368
1989	14.15758460168733
1990	11.99899733765645
1991	9.561835294743172
1992	17.633896166519055
1993	15.791633293267479
1994	16.563619796521905
1995	15.926028259935842
1996	16.881097895880206
1997	16.150713718337563
1998	12.478040584742338
1999	9.406274092124816
2000	9.271871881414521
2001	9.315294215870352
2002	9.393852711242658
2003	9.08373692516457
2004	10.147977784976096
2005	11.938974136255911
2006	12.932481320087744
2007	13.866522916559559
2008	15.201730521228521
2009	14.025959700136287
2010	14.980187130476164
2011	15.442565620033058
2012	16.825767633582817
2013	17.028783102680016
2014	15.523680472205381
2015	13.418269556226209
2016	13.317978286736246
2017	13.676787135175362
2018	13.016086442568122
2019	13.362389279668086
2020	13.386723790118268