Year	% of merchandise exports
1996	21.686950696947896
1997	23.38031130132084
1998	19.850619189266684
1999	21.509890352764387
2000	25.853219658759233
2001	26.183636996724555
2002	26.57816685523652
2003	27.564569966932307
2004	27.806908480915812
2005	31.278170423945145
2006	31.734181936884017
2007	30.651732822799765
2008	33.50050319680942
2009	31.631082218733088
2010	32.762266198417414
2011	33.86964335812722
2012	34.94488323909767
2013	35.3075214634453
2014	34.43486178888003
2015	30.733876595755156
2016	24.40881001447014
2017	24.980995310255462
2018	26.81544705127895
2019	26.243449195883905
2020	21.195601052686822
2021	22.323485903155905