Year % of merchandise exports 1962 42.77743446508764 1963 50.125508278301076 1972 25.331459078646233 1973 24.31119891119769 1974 19.48183046195352 1975 28.303005429410867 1976 21.17780515829515 1977 20.262886012934146 1978 18.627329802207846 1979 16.865429451754753 1980 13.710348282965008 1981 12.831056841819052 1982 18.440284312115736 1983 22.7641333909173 1984 19.334046349747673 1985 26.06043846743592 1986 27.9817844847363 1987 26.619213237626198 1991 22.504014007123992 1992 23.544180711343426 1993 25.393796614834702 1994 21.178977223976567 1995 22.33427934116341 1996 24.13150375838911 1997 23.68688793405815 1998 24.39194674281603 1999 24.242335805117136 2000 22.64355227348087 2001 22.791703706886466 2002 23.032497195734937 2003 23.148900281871292 2004 22.626313226955098 2005 17.493743526365183 2006 16.821655088568495 2007 15.70468401030665 2008 14.726412062864929 2009 27.07278771461205 2010 24.5398837341167 2011 22.00178733494721 2012 22.255205928224623 2013 21.286381953174597 2014 22.08946867977434 2015 18.48673355665452 2016 27.858795087310195 2017 27.082126716155187 2018 17.274270992219957 2019 22.965557575663944 2020 31.353574043398165 2021 32.387834576065345 2022 31.352270165885322