Year	% of merchandise exports
1962	17.440686165076723
1963	14.512832154239128
1964	14.070275354659614
1965	15.339466583126324
1966	15.672094039542763
1967	30.227072329138092
1968	34.88263169194112
1969	35.304542903494394
1970	42.611846573296056
1971	45.170446440231835
1975	82.8885586980758
1976	78.76982826225898
1977	81.06888233261277
1978	72.50135444720387
1979	78.09748260647963
1980	87.9453224602987
1981	82.53299908984386
1982	84.62258223926808
1983	79.46332148830882
1993	89.32010116440809
1994	86.60070051451865
1996	82.73848137348566
1997	77.60190226179333
1998	83.09521840488733
1999	78.4741238249897
2000	83.32550282863849
2001	82.95036301559777
2002	83.81784880297026
2003	88.37102638276536
2004	76.18339320623932
2005	84.04323556144666
2006	85.6108217616136
2007	83.41316719853859
2008	89.17210648458705
2009	83.13482907252663
2010	90.02381098258458
2011	85.85231720128787
2012	71.29998745874346
2013	65.77723594852752
2014	57.34661833089806
2015	41.95463346207494
2016	30.882046759210763
2017	62.29456426979174
2018	53.45777956413844
2019	54.86568963183623
2020	52.919438659168826
2021	52.31286508465285