Year	% of merchandise exports
1971	3.7322250458894444
1972	2.1768155518001637
1973	0.7684070162074779
1974	0.30655682703180287
1975	0.5673913306476004
1976	1.097010422176365
1977	0.8674447845358599
1978	3.360191872706902
1979	1.5113614071598371
1980	1.7984633134878147
1981	9.118579937306256
1982	0.6964971180381548
1983	0.41311747835642876
1984	8.770995224684363
1985	6.632385498258185
1986	0.9552910424472937
1987	0.7916350978308297
1992	0.13361684456612016
1993	0.7924310931466961
1994	0.8915691654373198
1995	1.2351400026712342
1996	0.3486681383513305
1997	0.3106498081838376
1998	0.04876769069491034
1999	0.02423820057143143
2000	5.007314328144317
2001	5.058107513847398
2002	3.54770874173418
2003	0.25774226774501746
2004	0.494482792521621
2005	9.146366037095564
2006	6.769349467943996
2007	2.1386650202013713
2008	3.8832208953794223
2009	14.874075643914258
2010	10.990194911344513
2011	41.490702490639926
2012	6.031458416243569
2013	2.780104574908173
2014	3.1489254231839956
2015	5.151517971299673
2016	8.185293318917173
2017	25.826823933213294
2018	20.495234198642237
2019	20.771036371988018
2020	9.019430130283117
2021	5.388899749982053
2022	7.932949792444491