Year % of merchandise exports 1966 8.76439709588316 1967 4.917972500653624 1968 4.712611253785025 1969 5.374836424412321 1970 7.671309135348283 1971 5.658283441878155 1972 5.319865856621437 1973 3.871961069342706 1974 3.5883420936502235 1975 2.172926462992988 1976 1.9137352954657658 1977 1.72911207430077 1978 0.8860701510309399 1979 1.4731412635742327 1980 2.395450680696378 1981 0.9717010868119822 1982 0.4822903229576388 1983 0.44124010656762386 1984 1.1480447499567392 1985 3.8412779688579564 1986 1.3074589618472363 1987 1.0171834125860624 1990 1.9055724878045206 1991 2.9219245574983987 1994 2.8046568030943524 1995 2.078455798853832 1996 4.09504780855225 1997 3.6648759637516632 1998 1.4380163482194726 1999 2.0865683407793227 2000 2.9273666551043673 2001 2.475692855681242 2002 2.753693239131175 2003 1.9940245582875396 2004 5.6101811415770575 2005 3.794399992723159 2006 3.334961625760534 2007 3.795050447698172 2008 4.120994748539358 2009 3.82157750593555 2010 3.977617164585976 2011 5.106528181524037 2012 6.863892813947876 2013 4.6191006079916415 2014 3.95718513403447 2015 4.061980690262236 2016 2.214170850613493 2017 1.7909758812134418 2018 1.440263735457902 2019 1.1992526701127033 2020 0.9528861481031927 2021 1.1981132504878107 2022 1.9231662784578687 2023 1.1319324937824353