Year	% of total merchandise exports
1960	3.3600843060959793
1961	1.9146491937199508
1962	2.1688796484430375
1963	2.5247432306255835
1964	2.222430388047118
1965	2.7517198248905568
1966	2.6233934919332786
1967	1.734417818288024
1968	1.9705844966377222
1969	1.5691926092131565
1970	2.2972133961506156
1971	2.4757601951275534
1972	2.262861715480584
1973	2.6700467385526685
1974	2.2635487018102523
1975	2.92476355363485
1976	2.3447205534112268
1977	2.248988549299606
1978	2.1458429532032754
1979	2.4366194747560432
1980	2.596943789576691
1981	2.6485380045365554
1982	2.9166752928813615
1983	3.0119989406931227
1984	2.8163658288841433
1985	2.293533688570613
1986	1.3618485729939405
1987	1.8949038393154087
1988	2.229591344946273
1989	2.431530977492545
1990	2.2756778167458815
1991	2.710121030336305
1992	3.0592095135097153
1993	3.2561727901116257
1994	3.5596555433724064
1995	4.453417707678137
1996	5.124491732414314
1997	5.518221416478607
1998	5.097098526396052
1999	6.420799517655797
2000	12.364329770559982
2001	11.600983349080723
2002	11.354007330756033
2003	12.609969134418247
2004	12.89708462537231
2005	13.54261436147644
2006	12.86302843781253
2007	11.718504227993808
2008	11.943543072224541
2009	11.465287594289176
2010	11.832163659400425
2011	13.962556091022101
2012	14.524217442775452
2013	15.07547754288357
2014	15.673008766581328
2015	15.205349415080407
2016	14.280982273558674
2017	14.48926493389118
2018	16.138837089633842
2019	16.924593979413483
2020	16.57825917830534