Year	% of merchandise exports
1962	0.7903509176552775
1963	0.0017026358225631876
1964	0.0038345091556063523
1965	0.12389729080873188
1966	0.61889569405158
1967	0.17280472302351732
1968	0.05905244455777881
1969	0.21202704704685935
1970	0.015691270179860474
1971	0.037284439804093426
1972	0.013692964301961513
1973	0.00977654049571473
1974	0.004584644522643388
1975	0.018878009410966647
1976	0.050012646979029254
1977	0.049175399716335985
1978	0.00014282139508617475
1979	0.0190163313098767
1981	0.8605094451055876
1995	0.019337687118480933
1996	0.00015434614730998965
1997	0.0009721220619948553
1998	0.026749987171525606
1999	0.014315632338132643
2000	1.6399840394957226
2001	2.0821049523243444
2002	1.382788770279356
2003	1.4547609069161622
2004	2.2642352141761246
2005	2.1211592690951098
2006	1.9901738816540009
2007	2.334818003036126
2008	1.5245019972681817
2009	1.1510086383222422
2010	1.5642778974048497
2011	1.1073911463663968
2012	18.279718637048525
2013	30.201568848872228
2014	27.03187118883667
2015	18.783768211859844
2016	23.19227655590262
2017	30.15951414106961
2018	26.18408845123505
2019	31.482872285342108
2020	25.92289466258319
2021	32.887456684556135
2022	28.809430313560018