Year	% of total merchandise exports
1960	86.32911392405063
1961	100
1962	81.86397984886649
1963	88.64864864864866
1964	86.64546899841018
1965	82.56029684601113
1966	81.35245901639344
1967	88.6178861788618
1968	87.92756539235413
1969	81.74860170738887
1970	81.79175808051872
1971	79.13180875527277
1972	82.21509165987217
1973	79.58902220383396
1974	78.33486719329193
1975	79.78004604492554
1976	80.6060781727801
1977	72.73160857388459
1978	78.0330556862669
1979	78.34825597572735
1980	69.42863427644423
1981	65.65338462602224
1982	64.45569112300353
1983	63.18196707886332
1984	63.45611893079008
1985	60.60172590691001
1986	68.13370759339907
1987	72.1931156196066
1988	75.83567563905729
1989	75.335153132616
1990	73.95280917557938
1991	74.33660469066268
1992	73.73316205335037
1993	75.04051115044832
1994	78.70582738392264
1995	78.28751452301903
1996	80.88629744364543
1997	79.81084590979113
1998	80.097574626629
1999	81.57812228609697
2000	89.94908668434937
2001	90.90529739614023
2002	90.06811912043267
2003	89.39688767984246
2004	89.32213516114625
2005	87.58708741532047
2006	83.10630327672011
2007	82.91050770416382
2008	77.16875180348589
2009	80.56122376991163
2010	74.99236949236982
2011	72.11645661319137
2012	70.4649487125033
2013	65.2715709179878
2014	62.2031583111577
2015	66.38156427465239
2016	65.44263670881617
2017	73.45902191776848
2018	64.17978948914855
2019	67.60579947193845
2020	67.82750378571994