Year	% of total merchandise exports
1964	0.016087516087516088
1965	0.047938638542665384
1966	0.0437956204379562
1967	0.07646234229641902
1968	0.025087807325639738
1969	0.050547031204367265
1970	0.02995284841926258
1971	0.035259309224141895
1972	0.08718450108669253
1973	0.07514947700660844
1974	0.07038781048740735
1975	0.05543115041683595
1976	0.09757482750703869
1977	0.06480851925040419
1978	0.052104786951271465
1979	0.11001836428209881
1980	0.08591055181641975
1981	0.20710644568369857
1982	0.05479731841849957
1983	0.0715879606510663
1984	0.06141728689135158
1985	0.12042344876093669
1986	0.11378244102421568
1987	0.10245408475496971
1988	0.11794870418813017
1989	0.07676083256538256
1990	0.15642064679809492
1991	0.14239055138299148
1992	0.10978195048444694
1993	0.540042907817391
1994	0.8542874070457909
1995	1.1356231610164986
1996	1.1476787757974738
1997	1.1186384178280395
1998	0.849805486866459
1999	0.7992441999599007
2000	0.8010768228393444
2001	0.6938197129567213
2002	0.7170231815584677
2003	0.7599338130114124
2004	0.7157785972047198
2005	0.7550619721393579
2006	0.9041690220738984
2007	1.0641192747384796
2008	1.075857418374007
2009	0.95707882859887
2010	1.2082425097392104
2011	1.3575254291003798
2012	1.501914918387447
2013	1.6780208528938079
2014	1.7909922301064787
2015	1.1916939559994164
2016	0.9969091782308351
2017	1.0917843927227193
2018	1.017487380001699
2019	1.1116272453942522
2020	0.8950792043168506