Year	% of merchandise exports
1967	10.38695444580964
1968	7.3817366722543465
1969	7.032216722229731
1970	5.957312805394087
1971	5.376993292408878
1972	5.831454307931469
1973	5.512529168333125
1977	1.7561742462913275
1997	1.4787415910400892
1998	1.6703778970261498
1999	1.5523937776109176
2000	1.757847740113333
2001	5.720454809171556
2002	2.1792837913675704
2003	1.3553282755351754
2004	1.2294285761769488
2005	1.4191493087062197
2006	0.8422529809982682
2007	0.8028830384533121
2008	0.8493304633772369
2009	0.669296732959161
2010	0.5925371958120442
2011	0.5676488007763253
2012	0.5009952587361411
2013	0.5940929455675273
2014	0.5485527581843616
2015	0.6130504043653394
2016	0.4027939508617921
2017	0.10407427383163506
2018	0.33101156968693246
2019	0.26409048115898476
2020	0.24651438489194932
2021	0.28128254364493804
2022	0.41727997616808526