Year	% of total merchandise exports
1992	98.78430837728195
1993	87.40379690658264
1994	49.71726584128254
1995	54.580263182988176
1996	52.09498780807967
1997	51.483680838924215
1998	62.54164860105247
1999	79.9148137533346
2000	83.58994593782258
2001	80.41758289787852
2002	79.03332263708828
2003	81.79405380775039
2004	80.7095761657722
2005	79.5167550774522
2006	76.17071036775575
2007	72.51709518194653
2008	69.5642924315792
2009	72.11342749591826
2010	69.74829058054925
2011	68.31047904730352
2012	65.48660304132196
2013	64.24855772475728
2014	62.97962437352987
2015	72.01791004532141
2016	72.47084265774534
2017	70.2046433852036
2018	71.59335221514894
2019	70.25622829397166
2020	71.0377471358095