Year	% of merchandise exports
1974	7.9773873878035735
1975	6.699165849184155
1976	7.96774712633607
1977	7.216195054236259
1978	6.667027431014784
1979	5.495691287469796
1980	2.4617615063169294
1981	2.8418511547546137
1982	2.8597909357720477
1983	3.6218642277171207
1984	4.179244852949992
1992	3.7524850208421703
1993	2.847081961434921
1994	3.520246673651063
1995	4.356374155667994
1996	4.046496689127768
1997	4.480561838757512
1998	4.4925358096736385
1999	3.8119097912202484
2000	3.948731194078177
2001	3.288630008586213
2002	3.8136469409210427
2003	3.477379367413797
2004	2.8592300460113367
2005	2.671228958730456
2006	2.320869226980584
2007	2.123786225360272
2008	2.173772401850496
2009	2.250526447672062
2010	2.0607793757196653
2011	1.9422671667215345
2012	1.7843978572330617
2013	1.9487552346736916
2014	2.049447637606644
2015	2.3021193678936887
2016	2.465113660443811
2017	2.368871087193389
2018	2.3224444975110123
2019	1.883487721520231
2020	2.0065635116388774
2021	1.704012648530302
2022	1.934009640843437
2023	2.003622823620474