Year % of merchandise exports 1962 46.89801976390565 1963 50.813595155869415 1964 49.850587727585214 1965 48.782130008122124 1966 50.951579814635096 1967 50.10632316636461 1968 51.977730545230195 1969 52.60016108124375 1970 51.79166179592626 1971 48.93758089368676 1972 51.13176018914799 1973 52.30256932873451 1974 24.510683681457785 1975 25.05011495290988 1976 33.82286252863802 1977 30.60785516612014 1978 32.56700033123388 1979 30.461152512257183 1980 28.461523231938486 1981 25.78601216166142 1982 24.633896861910507 1983 25.903946325760106 1984 22.749452789308144 1985 25.880899710715383 1986 29.94175463995742 1987 27.598916953249113 1993 26.701716494176363 1994 28.392953967769696 1995 31.40126842089052 1996 32.85703851056575 1997 30.8919512444864 1998 21.225145235221767 1999 20.89925399603644 2000 21.471756242019634 2001 21.019324057717903 2002 21.405360673449632 2003 21.47435485403383 2004 19.028997203379333 2005 21.19214522834326 2006 19.266370522236397 2007 19.94615996444166 2008 17.44639869213996 2009 22.978682968652805 2010 18.840842142528874 2011 17.326986377101612 2012 17.237560589664966 2013 18.862794968317708 2014 18.831548230937596 2015 20.303547859134856 2016 20.87764139741125 2017 21.126732891965926 2018 20.626725397844456 2019 21.168753433119967 2020 23.089200318925567 2021 20.707122416621708 2022 18.99374170049414