Year	% of total merchandise exports
1995	42.63511170318189
1996	54.248377225396084
1997	63.73303543279813
1998	52.24237962969539
1999	61.380231024227626
2000	55.789448506048366
2001	52.87171298760217
2002	60.285877468335244
2003	61.526432398390085
2004	61.477420610120625
2005	67.25187920017733
2006	67.91695472985228
2007	54.56941620308028
2008	46.86958009841471
2009	43.521778001822526
2010	35.83831095582566
2011	17.50843223646081
2012	21.955403494090557
2013	23.91954700036568
2014	46.770117586623314
2015	49.734955136489596
2016	57.24169888754096
2017	56.91428735974281
2018	62.519746367275154
2019	65.66373813125537
2020	67.37165442265791