Year	% of total merchandise exports
2000	78.11737595953275
2001	84.51139577316698
2002	80.61409190436768
2003	72.76500287623283
2004	76.85679261727036
2005	46.96548484757199
2006	93.68610849767883
2007	84.4754331548258
2008	79.0190795651881
2009	66.79133038681712
2010	72.84462111125237
2011	77.79790930181169
2012	77.76436294022997
2013	74.1635783693423
2014	80.55444490878425
2015	86.48072262282656
2016	88.60290406605618
2017	93.29607192983825
2018	92.05872553469922
2019	91.49912252240608
2020	87.34587897787671