Year % of merchandise exports 1962 16.955807365247356 1963 14.282479295664514 1964 13.240043468141778 1965 13.57321209152276 1966 13.874402282799185 1967 10.875627833333725 1968 11.346947140747973 1969 11.877205188705323 1970 8.7499813331833 1971 7.203699218356719 1972 8.347170787514752 1973 6.973299322925308 1974 6.5143310884936945 1975 6.236941230787511 1976 6.72911402865693 1977 5.135940566802395 1978 5.548724849929867 1979 4.755443853848425 1980 4.267220578937408 1981 4.02926571719989 1982 3.5384785970481216 1983 3.3053558824195415 1984 3.5948891989166945 1985 3.2063340252357073 1986 3.1900941551755233 1987 3.370150271250043 1990 3.1477489499350075 1991 3.3612057916294105 1992 3.1903314233636317 1993 3.135086221980882 1994 3.324844854208001 1995 3.9406427625308567 1996 3.2017374008713717 1997 2.833979572870869 1998 2.6998334903707457 1999 2.838723282987174 2000 2.7675606754200843 2001 2.687644640043314 2002 2.6162131268776427 2003 2.573752905658991 2004 2.3556836823797043 2005 2.1220659476394657 2006 1.9543715550879157 2007 2.0450682386399253 2008 1.902707295944793 2009 1.8951567225357322 2010 1.9200276802115865 2011 1.8431725461344022 2012 1.8474038769557313 2013 1.8796659343547653 2014 2.09674333937474 2015 2.3835384467057255 2016 2.4446853050384068 2017 2.340124625060981 2018 2.562797473239895 2019 2.523707813831385 2020 2.4204410538480476 2021 2.092303504275479 2022 2.0435957449636177 2023 1.96166494460534