Year % of merchandise exports 1962 37.25115590996702 1963 34.95161407459459 1964 37.431071568044835 1965 39.38341538471356 1966 36.61435604682055 1967 35.95021974994999 1968 33.52743865248034 1969 32.34610335143845 1970 32.609777709877484 1971 31.093346869994843 1972 29.893438145662397 1973 27.969784521925707 1974 60.82717965529388 1975 59.39290796432927 1976 45.29758098098626 1977 44.540707936786156 1978 40.2417763312515 1979 40.08052180187633 1980 40.541418992608605 1981 39.14196317195219 1982 34.98110869410447 1983 29.499862924890163 1984 30.46740682739662 1985 27.734917342142985 1986 21.29217730576069 1987 17.872815130413276 1993 11.4363246361764 1994 12.572469269244174 1995 11.545755033577072 1996 12.658848093841769 1997 15.081454840480662 1998 10.263658597368426 1999 9.281118403139594 2000 8.748496372520775 2001 8.468604740684968 2002 8.165448587368864 2003 7.060296629978868 2004 8.19270869376801 2005 8.73465911920544 2006 9.301868271800759 2007 10.257416873939398 2008 15.452064639558616 2009 8.366512860241928 2010 11.559851030513071 2011 13.167688192456184 2012 12.081703819065252 2013 9.088691865435832 2014 7.838792270017865 2015 8.161552260573828 2016 6.412153769314127 2017 7.036586405704639 2018 6.173632194924843 2019 5.432346821741592 2020 5.4944200249498465 2021 5.898036204205489 2022 5.850065918068195