Year	% of total merchandise exports
1960	82.93418485009757
1961	81.8005664033388
1962	81.49599287622439
1963	84.20646080746221
1964	84.91444494768437
1965	84.7480853339445
1966	82.82369018739082
1967	83.45953967160374
1968	84.3272915773987
1969	82.89046421650725
1970	85.3232008195924
1971	86.81483141122996
1972	86.1777448433789
1973	86.66163511749347
1974	87.9450574030201
1975	85.52681802284845
1976	90.56726506914467
1977	89.55844328819322
1978	89.41269479407056
1979	88.01245130036867
1980	83.89444117983517
1981	88.12607373379853
1982	86.42695413231785
1983	89.22437225316914
1984	89.15242200132796
1985	88.27563076742972
1986	91.4364104435116
1987	90.70770906433144
1988	89.31627686477101
1989	88.74010924365093
1990	83.38193297184698
1991	82.21848455353911
1992	81.36875612669755
1993	80.64476869989359
1994	75.68872337718349
1995	71.93654859081204
1996	78.02403797699017
1997	76.41979298563581
1998	75.28418506812507
1999	77.90213036274929
2000	77.9873598102204
2001	76.33063091799933
2002	78.97399360933088
2003	72.3018407744053
2004	77.10849004613411
2005	70.29542683310923
2006	72.34046469007262
2007	72.87742916520106
2008	67.5877138439406
2009	72.83780319345772
2010	67.63345894408006
2011	69.79539732895624
2012	73.26842978096043
2013	62.8667775311579
2014	64.55129456082564
2015	66.62270157392808
2016	70.13468296037509
2017	67.27841695366605
2018	64.14924731714301
2019	77.18015359866031
2020	68.3090275748549