Year	% of total merchandise exports
1960	2.3455638002458232
1961	3.443374632662404
1962	3.3364462483387807
1963	3.173294046831195
1964	2.4630883940015567
1965	2.3648658061244676
1966	2.8321566706012486
1967	2.73076002084693
1968	2.8238351758625178
1969	2.407671786549495
1970	2.424984241437848
1971	2.3556926827896945
1972	2.5552340506547653
1973	2.9799969068540153
1974	3.295071814637445
1975	2.5076820511629294
1976	2.128496588354785
1977	2.1266991995124402
1978	2.4679240836414023
1979	2.9300362282060877
1980	3.8717645273145624
1981	3.477163582658597
1982	3.9002990824353407
1983	3.6357236793052956
1984	3.4139619243807755
1985	3.2562293784136562
1986	3.0375736125854256
1987	3.1475785969854018
1988	3.4457176618981302
1989	3.419203756226951
1990	3.496615110155977
1991	3.8290889559217027
1992	4.22409553632871
1993	4.529570358013417
1994	4.569135783263761
1995	5.152999212976395
1996	5.150391381586062
1997	5.1720259960635575
1998	4.50673626481396
1999	4.209577653803278
2000	4.653465078605085
2001	4.945424121769262
2002	5.45588173989499
2003	6.1942222574927674
2004	6.161143962135875
2005	6.21298894845935
2006	6.8102555567763385
2007	7.028013693191312
2008	7.094745763091202
2009	8.296158360820728
2010	8.996500554402873
2011	8.847678089216293
2012	9.003258375571162
2013	9.545487266824283
2014	9.24307036792864
2015	9.544956319178754
2016	9.909184761472801
2017	10.222841574190763
2018	9.454335374781907
2019	8.756271905862912
2020	10.82748483364485