Year % of merchandise exports 1962 4.161684664657589 1963 2.9636868564324956 1964 2.7207895941183455 1965 4.961476694016817 1966 2.768615166086551 1967 2.6833746873820754 1968 8.237163016144105 1969 7.5266799161173585 1970 14.097636712728892 1971 9.7175918412196 1972 9.924195985420974 1973 9.117719797801726 1974 8.875275399448808 1975 10.572068361725194 1976 9.693085640918465 1977 4.489440027144115 1978 4.001180827649175 1979 5.927871294890719 1980 3.7604374923202184 1982 7.504665468647273 1986 16.545878454151307 1987 18.282303906378043 1990 8.51915774661551 1995 7.917894736448066 1996 8.007701570171111 1997 8.195320996169793 2000 3.2610853524420427 2001 3.76099858185037 2002 5.226862852748043 2003 5.158668485084419 2004 3.517142723017303 2005 2.807125981250538 2006 3.2629470614096006 2007 7.876588070259934 2008 20.764019731926062 2009 15.828848902895102 2010 6.89369035778514 2011 20.000305692590146 2012 8.677778852758447 2013 9.316423501705245 2014 7.790713800784996 2015 7.131328427378072 2016 9.824517497446186 2017 7.688373473474224 2018 6.145347745008001 2019 6.195196111555857 2020 6.809242667202597 2021 6.190480433550826