Year % of merchandise exports 1962 4.431938683206895 1963 7.51997923257021 1964 8.496104591391202 1965 8.952622487234615 1966 9.387629907087828 1967 9.07033446262565 1968 8.716100587138742 1969 7.508500306866746 1970 6.310083395203461 1971 6.328897578629636 1972 5.452032453688998 1973 3.722955187733412 1974 3.8577512404281813 1975 4.2575590527015805 1976 4.48600361241228 1977 4.411658545451481 1978 4.772958258284537 1979 4.18015145706031 1981 5.934035653673944 1983 2.9269153799819168 1996 4.029904166330136 1997 4.747185415298323 1998 3.7309721290965876 1999 3.5348325817936135 2000 4.104631831830004 2001 4.184378412999059 2002 3.4328833077656262 2003 2.1831163623974033 2006 2.3605559868979173 2007 3.670877300158439 2008 3.6111182003889226 2009 1.908073109945979 2010 2.547366746703283 2011 1.9701083476271912 2012 1.6176588069499525 2013 3.051702355703454 2014 3.290132843546978 2015 2.7649969732367827 2016 2.5530248006329224 2017 2.263276808007475 2018 2.1914884278588236 2019 2.43230163954254 2020 2.453830224150542 2021 3.2825096393314 2022 2.7834972189435