Year % of merchandise exports 1962 1.5844652839861115 1963 1.624053792398468 1964 1.528990070999304 1965 1.4300003887035984 1966 1.4754867908401663 1967 1.4685317212204234 1968 1.5843496809505329 1969 1.3634000986458166 1970 1.1661218181482522 1971 1.1654836520790655 1972 1.2596286983009772 1973 1.4245073759770148 1974 1.410815850710749 1975 1.064914085443017 1976 1.2311720909179802 1977 1.1928299422666455 1978 0.9817414063243148 1979 1.1381241941463445 1980 1.0722460631081123 1981 0.9991591123659259 1982 0.9511356780402122 1983 0.9519010044454816 1984 1.0463615126226562 1985 0.9901457791152664 1986 0.9070803164819053 1987 0.8923638977034495 1988 0.8826239609437054 1989 0.8365337328678848 1990 0.7654302058575235 1991 0.7349766530091467 1992 0.7148024143579196 1993 0.6488012019778752 1994 0.69751656522482 1995 0.7335070709057854 1996 0.5975471608769792 1997 0.5971558961994858 1998 0.5642800201788718 1999 0.5579884040339887 2000 0.6423466891598373 2001 0.5294278457386731 2002 0.46039996258952653 2003 0.39672098773184084 2004 0.39608510480522935 2005 0.38905501417315425 2006 0.36948682377395814 2007 0.34309584014754607 2008 0.3068440337721443 2009 0.2595255661323068 2010 0.303711742859894 2011 0.2773146676830097 2012 0.1889027860589478 2013 0.16156193346479317 2014 0.19440960706969096 2015 0.17121014768463347 2016 0.15803386275101425 2017 0.1488772553042669 2018 0.15744257189091515 2019 0.1410373831940953 2020 0.14380744716205865 2021 0.15255774961794277 2022 0.1456488932098887 2023 0.11313827715133973