Year % of merchandise exports 1962 15.180585898497972 1963 15.854662581967267 1964 14.34617828717872 1965 14.189456180950685 1966 12.231121723601111 1967 11.375087427594694 1968 11.292610713422317 1969 11.468644446740795 1970 10.16921379451166 1971 10.556257990442994 1972 11.330297203428126 1973 11.883213305438591 1974 11.06526598199064 1975 9.576181201839995 1976 11.320215868935144 1977 11.69921347453909 1978 11.5546749156036 1979 12.126960009883252 1980 11.065248946536844 1981 9.506829507911057 1982 8.67899474629865 1983 9.241867499858342 1984 8.79762061670964 1985 8.144492054792787 1986 9.15862820838018 1987 10.97513594124716 1988 10.049385640178897 1989 10.479986783727705 1990 9.015501479404703 1991 8.034906094492504 1992 8.269844868102123 1993 8.558294268097187 1994 8.906232740682144 1995 9.24331232168462 1996 7.962606922131657 1997 7.617727065976215 1998 6.70180223219623 1999 6.71432171679737 2000 6.60775234921158 2001 5.9702564694361255 2002 5.48795760977214 2003 5.075544046054173 2004 5.773445728910554 2005 4.995217210975559 2006 4.694363320590796 2007 4.273759253332664 2008 3.4269643185159833 2009 3.5277509094505937 2010 4.115159210364014 2011 3.9006782122114636 2012 3.6365929313175385 2013 4.067568218002694 2014 4.155022815131326 2015 4.423050809146926 2016 4.7667052980191045 2017 4.557507219364841 2018 4.490957626179219 2019 3.693404211053984 2020 4.216032890753422 2021 4.8415501805173085 2022 3.716328626303681 2023 2.864267573099581