Year % of merchandise exports 1962 4.619463559413415 1963 4.156976894470605 1964 4.462097649412724 1965 4.7032861631370055 1966 5.229152309221579 1967 4.812430495030704 1968 5.0141886016914 1969 4.7960976606137775 1970 4.625447258275937 1971 3.747807427768889 1972 3.5970843807004997 1973 3.859937431182908 1974 4.404991137078527 1975 3.353675178697247 1976 3.4630118938952004 1977 3.4566272506934155 1978 3.2679890843183403 1979 3.614709075013481 1980 4.130512291115414 1981 3.3309843177549308 1982 2.9676502146983275 1983 3.3360513348875123 1984 3.5887839802839285 1985 3.0872233208535342 1986 2.682254285556969 1987 2.8005158962143257 1988 3.1214934346368195 1989 3.3287657452450303 1990 2.841819582274893 1991 2.6139565109109872 1992 2.8494072056763415 1993 2.727519528728183 1994 2.743023270864586 1995 3.0817232536948302 1996 3.2203859279166465 1997 3.4261040129347835 1998 3.5387887054227902 1999 3.174759748446316 2000 3.120218461006305 2001 2.9394894395736304 2002 2.7497818780592485 2003 2.6418370125969637 2004 2.946930200133722 2005 2.9601193339852876 2006 3.727908080789131 2007 3.7621381604676007 2008 3.3490316882365145 2009 2.82673897243152 2010 3.5432969618150985 2011 3.7221369844880754 2012 3.4730345357747856 2013 3.1136330868496604 2014 3.0589155307645877 2015 3.0066900785299286 2016 2.870914410210568 2017 3.1672338663380226 2018 3.1727183305442606 2019 3.1768077407381283 2020 3.6986367091944374 2021 4.1004399306998405 2022 3.6019731393887713 2023 3.085342142194545