Year	% of merchandise imports
1963	6.803203766814854
1964	6.625484634651235
1965	4.813235190967552
1966	1.6777583098257602
1967	4.023139749419238
1968	5.345438269205212
1969	9.581685066886724
1970	8.398787419157507
1971	7.276428708769946
1972	7.192216229996223
1973	5.992946247926471
1974	6.745648912828364
1975	3.686306982734037
1976	2.3249695978470584
1977	2.2773032860916103
1978	1.4362997630424166
1979	1.6124684929966537
1980	12.632052800887447
1981	19.069732503767433
1982	22.306514947144034
1984	24.898770621375224
1985	37.75711828758628
1995	13.88667201309414
1996	19.352760301032205
1997	16.572416130215636
1998	10.387114267332628
1999	12.56650087860966
2000	7.124539190842404
2001	2.2028907490027585
2002	4.819088112625749
2003	3.068052117801328
2004	1.6255658748439146
2005	4.935133117781742
2006	5.013262454728335
2007	3.244743643295017
2008	6.532370284177712
2009	4.173173596075966
2010	6.453993863053166
2011	9.899729712658782
2012	8.16513396740597
2013	15.133311674143174
2014	16.03924271448766
2015	2.420303265028711
2016	6.771236051129191
2017	8.406134807888153
2018	12.859547404369717
