Year	% of total merchandise exports
1960	83.45120226308345
1961	79.81029810298102
1962	81.4317673378076
1963	88.3419689119171
1964	87.84722222222221
1965	92.66589057043073
1966	91.77001127395717
1967	80.79399141630901
1968	78.52941176470588
1969	83.19758885551278
1970	78.64768960811074
1971	77.8682985154434
1972	79.36892083484453
1973	79.6367009686536
1974	82.31520857293143
1975	57.395761248963886
1976	77.28870189809345
1977	82.57058116232466
1978	75.69634832157254
1979	74.62584197009878
1980	80.03945994042323
1981	59.04819996366185
1982	64.59644117915249
1983	85.79988016776512
1984	94.54540961171917
1985	84.45670234771502
1986	89.57598853473523
1987	91.95166100532978
1988	90.6915687431938
1989	83.70404551630824
1990	93.19253076799122
1991	88.24556363497187
1992	86.78233311880497
1993	90.35601206316841
1994	92.07104578635588
1995	86.45447012969755
1996	87.28520350617241
1997	85.55452008266094
1998	83.31243555886722
1999	78.67289712629916
2000	91.14125095916606
2001	92.5489734907562
2002	95.47178185423242
2003	94.67034874658621
2004	95.21738506834187
2005	85.61258152142273
2006	72.69767735676004
2007	78.36453455198019
2008	83.5344048961236
2009	78.17127544348205
2010	75.45179746842253
2011	77.2368395704271
2012	73.09853906897676
2013	79.2884721161155
2014	81.62154007894206
2015	77.38733955612192
2016	80.29866585024847
2017	81.44866162597233
2018	71.73017639276995
2019	79.87372101960672
2020	81.1032835376768