Year % of merchandise exports 1976 15.400234172320893 1977 9.975648933561201 1978 13.045339072791428 1979 13.688605938678409 1980 12.132335949168391 1981 11.326299302140908 1982 12.057139331326194 1983 11.590262204268988 1984 9.913092798756256 1985 11.391637346891157 1986 10.501477504494657 1987 12.543820295733013 1990 29.245840896576485 1991 20.133639719014866 1992 35.86020473573112 1993 27.981031245376865 1994 28.82224538428234 1995 27.558953096344958 1996 26.336786145137804 1997 25.228601253713418 1998 23.580763602892244 1999 22.11810880727797 2000 20.685890020353646 2001 23.09644794339711 2002 23.731146671226444 2003 24.083274960432668 2004 25.600182848423874 2005 31.8873421942039 2006 35.50656761094158 2007 36.767989616584295 2008 36.48321049408723 2009 36.403956174749275 2010 33.938291751236285 2013 36.26652745253921 2015 31.489844319833495 2016 31.480342071260036 2017 28.285390018622643 2018 28.42564870119677 2019 30.77102358087901 2020 27.915052997421398 2021 30.157402079539796 2022 30.7644416223676 2023 30.738957088554862