Year	% of total merchandise exports
1960	5.447540082254135
1961	5.583120719063215
1962	5.67851224103679
1963	5.793240689744739
1964	7.309004861219867
1965	7.794460093422521
1966	6.688258019137924
1967	6.131851351802312
1968	6.670422106935206
1969	7.4006284352951575
1970	7.163993893788718
1971	7.200383433766007
1972	7.885158679741977
1973	7.6055374359501675
1974	6.816243066805558
1975	6.796473838962173
1976	6.138950435219451
1977	6.164297145016271
1978	6.020575345919759
1979	5.78361231883205
1980	6.19187570109805
1981	6.556033432651525
1982	6.268063818678721
1983	5.5539909854676575
1984	5.736641165131441
1985	5.492576066909534
1986	5.845196125801238
1987	5.845956234397919
1988	5.8574065822005945
1989	6.217316556047401
1990	6.252111910375692
1991	6.616997826421647
1992	7.930692184836895
1993	8.738251064727892
1994	11.727359738341653
1995	12.326786623974053
1996	12.222405671836437
1997	12.444902794161342
1998	11.796752309831273
1999	10.070109481329794
2000	10.832985679842436
2001	10.88542966176597
2002	11.306271676298246
2003	11.764726826439158
2004	11.820891830343012
2005	11.97217402925724
2006	11.931678394802836
2007	13.092790027254333
2008	13.65492354350138
2009	13.142051425014165
2010	13.306381532181542
2011	13.714703529548316
2012	14.566969344342361
2013	14.921401253116773
2014	14.584186635666404
2015	14.5585119849097
2016	14.62170791033895
2017	15.259314827039109
2018	15.241290038553293
2019	15.916680859650063
2020	16.218619471521993
