Year % of merchandise exports 1963 39.087829024467744 1964 37.25198448670828 1965 33.19017850211278 1966 33.73775090637178 1967 28.70362678917049 1968 28.177035723410537 1969 25.936670324945617 1970 18.954161784353722 1971 13.96053704143111 1972 18.490750590259672 1973 23.248799832323076 1974 14.54511013133224 1975 11.26250360810069 1976 14.325476128062814 1977 13.269885282117267 1978 13.560459941781225 1979 12.864621597586723 1980 10.711611838110722 1981 11.25690073517692 1982 10.840388088985046 1983 10.83847500860429 1984 9.942111642783498 1985 11.567347860625603 1986 12.52203946153538 1987 15.50249493488168 1988 18.753422853597904 1989 15.2778816693847 1990 10.517890295655382 1991 10.656319356523921 1992 10.143259572418131 1993 8.165954630274653 1994 8.945095254529548 1995 8.532496021403475 1996 7.681348021277444 1997 8.293436072532707 1998 7.105342082348565 1999 6.690194220277244 2000 6.058121220821815 2001 6.23540408356143 2002 5.776309676621352 2003 5.014901339804305 2004 4.82092899843079 2005 3.8983605796718646 2006 3.434431228532869 2007 3.425970958762544 2008 2.4419526762682273 2009 2.282876543559443 2010 2.4910433706657176 2011 3.005694104857891 2012 3.0053104736444505 2013 2.9947058944473386 2014 2.7649306032089305 2015 2.9653175883069824 2016 3.1669246852804456 2017 2.990205316014442 2018 2.8853937187143126 2019 2.1058630669438254 2020 1.4287535729394092 2021 1.673354003943246 2022 1.7670812469111867 2023 1.7872486492260888