Year % of total merchandise exports 1984 0.03780285273222874 1992 0.005447874499920651 1999 0.00023939676524415047 2000 0.03282323017923883 2001 0.011834911979721327 2002 0.004752543648827467 2003 0.022251009898214796 2004 0.1274685800819509 2005 0.01296681826121374 2006 0.021627255781895945 2007 0.03449315160322018 2008 0.19473348401976331 2009 0.2555221581320073 2010 0.0707616111727401 2011 0.19444691490417132 2012 0.4014074219499422 2013 0.6430419473577442 2014 0.6614288413938163 2015 0.4861726003411811 2016 0.40618647192575436 2017 0.3920780735650966 2018 0.4690900949716199 2019 0.07238134082949438 2020 0.3507272026158334