Year	% of merchandise exports
1975	74.22415119327617
1978	81.80021413652477
1979	80.02785270152208
1991	46.745596361577995
1992	49.4049761132923
1993	48.15413008373223
1999	77.44641327788172
2000	79.39177889925604
2001	78.8398715406114
2002	66.32229398416976
2003	63.42943382936914
2004	67.32493101039232
2005	67.6428560661332
2006	71.27000755619223
2007	70.86424981490791
2008	70.38296042949976
2009	60.94234050939532
2010	65.29703166412052
2011	66.32022961113753
2012	61.88786210778159
2013	66.72049593083884
2014	64.1340438688096
2015	56.60346129415813
2016	55.64728180867784
2017	55.57454206114986
2018	64.99510699760918
2019	65.5872959626414
2020	62.43409655124361
2021	66.18283942801648