Year	% of merchandise exports
1962	12.301642989758719
1963	13.804699433442991
1964	14.450763640485546
1965	12.168139037954115
1966	13.187715514278356
1967	9.789774758021274
1968	9.439999334326004
1969	13.405371260249952
1970	8.661017683078406
1971	9.820976367459698
1972	12.908514523443648
1973	21.08294482046473
1974	13.466237395131051
1975	9.735812673246178
1976	9.231033601329413
1977	8.498728448241826
1978	6.3370224762798895
1979	4.640518950301641
1980	3.5746473475541025
1981	5.882175297256431
1982	2.4534318826798533
1983	3.493439745802348
1984	2.8780773046095933
1992	8.444341609063214
1996	10.364961303516903
1997	7.8502284253304575
1998	9.456353806512366
1999	10.051822864109733
2000	6.488886515432285
2001	5.25249389426704
2003	6.3776460903250936
2004	3.3680553055400977
2005	5.178002879562336
2006	2.7609004169533877
2007	5.806078646469931
2008	4.931658254102466
2009	2.3789614726905626
2010	2.5833623012545868
2011	3.646262499172855
2012	1.6599786492538213
2013	2.4981303997446593
2014	2.159785168653031
2015	1.6654149869468207
2016	4.983552682670797
2017	1.5796177720265998
2018	1.3814097595471948
2019	1.103999677381249
2021	1.6144785370164363
2022	1.3448227583434011
2023	1.1158195020624577