Year	% of merchandise imports
1962	0.9666166172773913
1963	1.394437964312096
1964	1.4982337006342696
1965	1.0801555648201238
1966	0.6729085920901792
1967	0.8276095023587696
1968	1.0351631147320184
1969	1.4648990638378692
1970	1.4603322701553163
1971	0.9822160885047665
1972	1.7636667036657807
1973	3.4737254271074303
1974	3.112819870193845
1975	1.5450444161077583
1976	1.7529937307139698
1977	1.311936216819386
2008	1.4766864058292284
2017	1.8710252920007657
2018	1.8213487189194577
2019	1.7694597158272085