Year	% of merchandise exports
1973	95.52496354460303
1974	95.58053694440886
1975	91.94529839774874
1977	0.08381748514017585
1978	0.015360385145876315
1981	0
1999	0
2000	0
2005	0.7247941674387208
2007	0
2009	0
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	16.83174433815825
2021	0
2022	0
2023	0