Year	% of merchandise exports
1965	0.6871369598155881
1967	2.0679345436412593
1968	2.3530113892032767
1970	1.2591729027300893
1971	1.9601751793223072
1972	3.437099698367263
1973	6.285898963575285
1974	11.52822676831943
1975	12.204157397890837
1976	12.125635827562906
1977	8.63153328163443
1978	9.197194385447231
1979	13.059373783296431
1996	7.344767372521537
1997	5.600187390185071
1998	3.9984797850010376
1999	4.812550318662106
2000	11.679252462333418
2001	11.528813835938948
2002	11.491234897376135
2003	11.36221612083999
2004	12.784485046781535
2005	15.737489078475612
2006	17.85276958068726
2007	23.563357615767075
2008	23.636042468216935
2009	19.459176932187138
2010	20.096523202802288
2011	22.62701587122418
2012	22.959027953818953
2013	23.92195567204853
2014	20.70980106257131
2015	15.52187299159827
2016	9.388770247906292
2017	15.395200775532109
2018	19.62996716299457
2019	20.42979240076185
2020	17.002204052833054
2021	16.539927027129927
2022	15.26927175617871