Year	% of merchandise imports
1970	8.892253593760957
1971	8.541821407872828
1972	8.314296919519158
1973	8.030665672855305
1974	12.962513086990267
1975	13.893372150999651
1976	14.225107854493803
1977	16.47364928045642
1978	14.749730757124112
1979	15.80588659697736
1980	19.791784198431124
1981	22.585498518058117
1982	24.259091151695447
1983	20.934199207127023
1984	20.39297118501291
1985	21.22508261316243
1986	16.472543840642516
1987	15.423315563193114
2002	13.29874855257311
2003	13.357261573884763
2004	13.089806987706542
2005	22.297828777437772
2006	25.20893430409717
2007	28.111296554516166
2008	30.763977921674858
2009	22.543837042670205
2010	26.244729621272274
2011	25.997780382573495
2012	28.292964943078875
2013	24.60108367336369
2014	23.71141278765417
2015	18.899601715785185
2016	14.976743461221227
2017	17.451069272832108
2018	19.63052928311566