Year	% of total merchandise exports
1992	13.644028625624147
1993	28.898619417344857
1994	55.234302058597876
1995	53.22954998772188
1996	55.28134049039283
1997	45.37611443264928
1998	40.74985558395518
1999	37.02913878696309
2000	39.92892708967047
2001	37.347945975078574
2002	33.27551569583244
2003	30.532678551242643
2004	34.111359674986886
2005	39.81996204641726
2006	41.734157316957734
2007	47.2678375708633
2008	45.13163469593485
2009	41.82214872707104
2010	44.93579577855633
2011	46.487607107257496
2012	44.0656483794953
2013	42.92022732212352
2014	36.50416972362129
2015	30.300858333763696
2016	25.105109709229872
2017	24.543920903583633
2018	22.72778513844677
2019	21.272417711563516
2020	19.353609658151132