Year % of total merchandise exports 1990 0.003927259679831519 1995 0.02639342688953759 1996 0.010557429429286468 1997 0.040826064159239964 1999 0.002367174842198817 2000 0.0003133534759146623 2001 0.006646473415053754 2002 0.03170450152560485 2003 0.013665858516535793 2004 0.04848511623095829 2005 9.804891647598151E-05 2006 0.001527406177121366 2007 0.030562303758448733 2008 0.12416731017650824 2009 0.005606888741811042 2010 0.1061688143697234 2011 0.7386994197156981 2012 2.846929846594157 2013 8.29324896334878 2014 3.9974771355888534 2015 4.726071987924438 2016 4.314413067434728 2017 0.24653899133047283 2018 4.147578185644714 2019 0.022864899220009473 2020 0.02244363605940461