Year	% of merchandise exports
1962	4.050873299676437
1963	4.675139774031168
1964	2.4926994415726558
1965	5.7053026590109255
1966	11.941992248510221
1967	9.129820351574537
1968	9.10198623838933
1969	7.671100246321832
1970	10.55347984298883
1971	6.1744069304285345
1972	8.50845829105413
1973	7.73422189248706
1974	17.677372284886246
1979	11.016390206247504
1980	3.3817498721611647
1982	46.68170582008199
1998	3.4462758053515548
1999	5.12333893265784
2000	7.118278914063704
2001	5.2360066579951665
2002	7.20464162230402
2003	7.073442852271484
2004	8.874883421145324
2005	9.217519978388003
2006	13.698256176045028
2007	9.852969811918436
2008	29.45320009161082
2009	18.56496727656263
2010	4.653475740087021
2011	18.543620838921612
2012	8.916617790786315
2013	11.039950067091315
2014	20.27150245637313
2015	16.404594965640133
2016	14.165612225126868
2017	11.43717505302394
2018	6.0722017996057325
2019	6.250322593869245
2020	10.199127428946293
2021	5.104639966385018
2022	4.317661259394244
2023	4.212788452940633