Year % of total merchandise exports 2000 14.973808609210915 2001 6.923242816398664 2002 10.989656510586466 2003 12.396286820964965 2004 4.346059620336427 2005 2.2410783894458235 2006 4.362791343188276 2007 12.6726718152854 2008 25.778881938263865 2009 14.76310945122038 2010 36.68708902181599 2011 15.085566925330573 2012 2.0020973640602837 2013 9.49757944594338 2014 6.831174243946555 2015 8.297093373182967 2016 15.716056490856564 2017 29.289616889993376 2018 11.466120810070876 2019 12.353572000713726 2020 15.633233524932425