Year	% of total merchandise exports
1992	99.87258934465362
1993	3.8696544028188944
1994	6.6924411953920275
1995	6.232548991700843
1996	8.335543579275724
1997	34.04650158254726
1998	43.386919769994016
1999	56.67140906085055
2000	54.27136239866606
2001	63.13931706553129
2002	72.69979799461196
2003	75.74639901368015
2004	72.33194666647246
2005	75.21397922122713
2006	73.13665807637969
2007	59.79200427148197
2008	58.944205243355285
2009	56.22432669927544
2010	47.56204378179381
2011	52.10644596330073
2012	49.60972413282953
2013	40.40728770669838
2014	37.52266848081957
2015	40.248165344971575
2016	40.04156373522219
2017	36.05166682280486
2018	40.60574827352424
2019	38.99381952924064
2020	36.56925439858131