Year % of total merchandise exports 1960 2.6361354698335377 1961 2.976070383664156 1962 2.6436393267996796 1963 2.704642093345075 1964 2.4777274419648663 1965 2.7027999300140135 1966 3.1965876835694558 1967 3.360890140871748 1968 3.131214498293349 1969 2.965052829330682 1970 2.7758466706873657 1971 2.5916303720720535 1972 2.4912974445190894 1973 2.7491084450589165 1974 3.188366460011918 1975 3.005925441295408 1976 2.5649076206248576 1977 2.522330481556017 1978 2.838468153305035 1979 2.9258006095559863 1980 3.2316567966878975 1981 3.3117227645804546 1982 3.3549593099996473 1983 3.41667746034088 1984 3.2895206791103146 1985 3.6040582662428315 1986 3.0777030848930065 1987 2.851105334543145 1988 3.078448639027538 1989 3.177176116355555 1990 3.204263864701149 1991 3.583990389998877 1992 4.055382169506065 1993 5.115345864483644 1994 5.25865771815584 1995 5.673688217880323 1996 5.715441779145915 1997 5.41428109482478 1998 4.179927742238132 1999 4.320109758545413 2000 4.890260669650153 2001 5.004805765399787 2002 5.394908311502747 2003 5.95089422382987 2004 6.217822565220241 2005 6.323642711829741 2006 6.4548009052972795 2007 6.7417975151634835 2008 6.934167958056254 2009 8.186404871543694 2010 9.451888812572161 2011 9.557780095153237 2012 9.850045986205261 2013 10.070623652426015 2014 9.92678212222842 2015 9.969564581052163 2016 10.136710913803682 2017 10.744725355879982 2018 10.788368337905471 2019 10.565480104021198 2020 11.335450129076758