Year	% of total merchandise exports
1960	29.960712782376874
1961	29.89001509596722
1962	32.24997233187
1963	31.42567850146376
1964	30.86611335262257
1965	32.323701316436335
1966	36.142040580596394
1967	38.20047528033545
1968	36.937793766971296
1969	36.37238096412584
1970	39.851751289709476
1971	41.56243445764296
1972	40.495159474094834
1973	43.86068365202291
1974	47.870324702013974
1975	41.52607448139464
1976	41.70320297569297
1977	37.457626152995935
1978	41.07292539815591
1979	43.17451437515361
1980	41.1179495686795
1981	37.72887744396075
1982	37.96551230186368
1983	41.473888473743784
1984	42.84197771096644
1985	40.014957529707814
1986	39.527545927976156
1987	46.41455512852088
1988	44.47451796204771
1989	46.26246955700918
1990	48.21728375419821
1991	49.55059501746326
1992	48.58530990237208
1993	54.61458269454835
1994	64.32560555880252
1995	65.79623128357171
1996	66.87509811103553
1997	71.20883313857821
1998	79.87544755772097
1999	79.90781503776012
2000	77.76735729151763
2001	82.03609588809528
2002	84.37100941982875
2003	83.35694144042101
2004	81.02664218761853
2005	77.02725255355448
2006	75.91250287211054
2007	76.82823124596736
2008	73.79538690956079
2009	77.44091881140709
2010	75.24111061705887
2011	74.87561495704877
2012	73.9336591072906
2013	73.6683617373154
2014	74.88504023889932
2015	77.72857259738682
2016	78.12478090854694
2017	78.51497845000256
2018	80.25163731300522
2019	79.65678033305934
2020	80.97854769239137