Year % of merchandise exports 1976 0.8618410599667287 1977 0.3889269467123191 1978 0.49850197168270016 1979 0.6103010452163912 1980 5.41433658651075 1981 4.9254769103375295 1987 0.10856248213487608 1997 0.34705851883466377 1998 0.8866801337738287 1999 0.7711906463667189 2000 0.44328769804192747 2001 6.439722843554 2002 8.749387572820124 2003 6.170057870281009 2004 8.330735983293586 2005 7.651851216602969 2006 11.137539774983756 2007 12.626905249214532 2008 12.736492442911661 2009 17.83239975370989 2010 25.42743149481115 2011 22.577871990461677 2012 16.299320659041815 2013 10.080570258162695 2014 13.340328300955253 2015 9.714970053875676 2016 7.390388161304083 2017 2.3724636553366105 2018 1.334728141643041 2019 1.193490098499194 2020 7.168427225577044 2021 3.9528459000260017 2022 5.4799849070958615 2023 4.971810723896954