Year	% of merchandise exports
1962	2.0974533423604815
1963	4.534220085241248
1964	5.199314809613866
1965	5.081763058332033
1966	5.015647042962149
1967	4.7182136347252905
1968	5.023076050621825
1969	3.8763671336942247
1970	3.1703504911728815
1971	2.052699905005749
1972	3.692609407039517
1973	6.655018513400715
1974	6.883682200218567
1975	6.105103258295671
1976	5.686212566112741
1977	1.0977053404591552
1978	0.5063470382839479
1979	0.5631580461165661
1981	5.348235788870655
1983	4.908689489298857
1984	4.235758738828276
1985	4.379119976614547
1986	4.780416872890377
1987	5.942197702362137
1996	0.9163843455116373
1997	0.8860219314185321
1998	4.515631220514985
1999	0.7198831137734749
2000	5.220636893083179
2001	3.4403567921639295
2002	3.96956414207328
2003	5.18817027684892
2006	0.8082299689354433
2007	1.6650012924726794
2008	1.8320262619837155
2009	1.6433394739570202
2010	2.477958744585938
2011	6.87518422036374
2012	6.779558767770233
2013	2.2150158571745373
2014	1.951716527731013
2015	2.035465303098602
2016	2.045212904650222
2017	2.8522060721691282
2018	2.7384870863739272
2019	5.854115523678012
2020	5.803231369615199
2021	6.485217352835956
2022	4.622068923455252
2023	3.9949691080919743