Year % of merchandise exports 1962 6.446460532673623 1963 5.669258425821337 1964 5.921807364035929 1965 5.961900251767631 1966 5.8880450143689265 1967 5.651365363118344 1968 5.633553912351186 1969 5.442175951678894 1970 5.614893491258408 1971 4.463011038581384 1972 4.274234821195293 1973 4.5031654905344825 1974 4.79674879125274 1975 3.9131460926006523 1976 3.8966232720272065 1977 3.815308609941031 1978 3.530313925036629 1979 3.9692329968878144 1980 4.686312610407923 1981 3.7848641788594395 1982 3.5237466250304825 1983 5.1004036578697045 1984 3.903308921002604 1985 3.506762620154211 1986 3.2908705469998822 1987 3.314749665022346 1989 3.5904697867845434 1990 3.5526138990579574 1991 5.544226275336511 1992 4.906715544410687 1993 4.336775963889831 1994 2.861169570451855 1995 3.1710570538978784 1996 3.1395252663131634 1997 3.251233538949957 1998 3.1851522753687274 1999 2.9917298153942 2000 3.022928208266105 2001 2.862238646017382 2002 2.7047870883929566 2003 2.695136695293563 2004 3.061792148755173 2005 3.240496289180971 2006 4.020569553479785 2007 4.240512179720692 2008 3.992427043586251 2009 3.4702575968005585 2010 4.286031351971796 2011 4.518219376090368 2012 4.149043307886521 2013 3.914662067061128 2014 3.9839526501215152 2015 3.808304440634713 2016 3.5496147285500865 2017 3.7140702599843127 2018 3.737339789518367 2019 3.6995694342966585 2020 4.3303578796026985 2021 4.880335942242627 2022 4.231812968719077 2023 4.1870196803529725