Year % of merchandise exports 1962 59.57791842254376 1963 57.48914959417839 1964 56.270284367696306 1965 52.277882170521785 1966 48.35957044561788 1967 50.78096571456719 1968 55.84995849119795 1969 48.32955713348919 1970 42.67858130684353 1971 35.38471998931722 1972 31.460120837261595 1973 27.847040702719514 1974 26.700608536434032 1975 25.829382597857276 1976 24.171731394301624 1977 27.552025608373388 1978 28.21135402315928 1979 28.291773861316166 1981 22.899551047357576 1983 21.03540426902101 1996 16.35781039971443 1997 14.021151998635485 1998 16.27299324544253 1999 15.116822420978897 2000 13.520315145096768 2001 14.379659464861374 2002 12.891799714212715 2003 15.365924080707774 2006 12.727410514009836 2007 12.224911076519613 2008 12.333179228329893 2009 15.099471860407657 2010 13.214833866483218 2011 12.365659572666004 2012 12.431992374199943 2013 11.880441470631682 2014 12.581501552356292 2015 15.455169505960782 2016 15.73450569068565 2017 14.151006673822735 2018 14.26521149345311 2019 12.902317977871274 2020 12.853435890300663 2021 13.747157693412662 2022 13.142907321298802