Year	% of merchandise exports
1962	42.59915256344894
1973	0.375011549307031
1974	0.5855585982968204
1975	0.00025278330214619345
1976	0.24813656059723388
1977	0.9142910790647921
1978	0.01577623042848504
1979	0.54409023871961
1980	1.0681394314689816
1981	0.8866970449278786
1982	0.8940747657285135
1983	0.35697782738448014
1996	0.07629985803196049
1997	0.03591682798341171
1998	0.046705481586609046
1999	0.0486712335395889
2000	0.23647024442229975
2001	0.09195085996854958
2002	0.28626746205317993
2003	0.11316177236836604
2004	0.16610301130180302
2005	0.08737505620901306
2006	0.14127478724637063
2007	0.20598018577445282
2008	0.24052338720482214
2009	0.2850132700603586
2010	0.9723894346274005
2011	0.9748804249714925
2012	1.5897847710858528
2013	0.6267741869621123
2014	0.5958215955610093
2015	0.5819364609059972
2016	0.31914906413654814
2017	0.4083827432285389
2018	0.39050383605838934
2019	0.470883746723041
2020	0.6704662304075963
2021	0.49902610887790044
2022	0.41687420274359654
2023	0.09302739600298023