Year	% of merchandise exports
1962	15.523830091834709
1963	15.821024828232702
1964	18.057759873136302
1965	17.573726429634423
1966	18.77645050082538
1967	16.24137836570279
1968	10.344821824421773
1969	15.397678979292204
1970	29.161641524401094
1971	16.54643244580149
1972	16.689910949370027
1973	21.137451241022085
1974	15.98213544687281
1975	14.677715730142852
1976	19.290970943954523
1977	18.18250341835336
1978	16.068278080369392
1979	12.627024622379537
1980	15.699055609152515
1982	10.845751841268676
1986	12.711445050290187
1987	15.495739971815322
1990	14.290327358808133
1995	27.514904340431386
1996	25.18890433977697
1997	30.55093292279273
2000	9.099965211415018
2001	21.250176014811753
2002	10.01964135366925
2003	9.678943206810642
2004	12.037982734330797
2005	19.290155665894986
2006	16.59059080010606
2007	14.271852719719918
2008	30.79854059843748
2009	26.564878063384718
2010	14.79511439492131
2011	31.555018986297416
2012	15.69170900948578
2013	15.929584952352188
2014	14.325263599559484
2015	16.875633853281965
2016	30.02891707593683
2017	21.329163104887208
2018	20.25605381447733
2019	17.064899729144987
2020	20.416956234157364
2021	18.63006964676792