Year % of total merchandise imports 1997 1.6304373277812603 1998 1.4301640928770918 1999 1.5038484228532332 2000 1.7667881903642773 2001 1.773819840421663 2002 1.7251756491426322 2003 2.0910814420748447 2004 2.599749237421659 2005 2.7928622889123256 2006 2.925099233151956 2007 2.969361117205893 2008 3.1144683292645614 2009 2.9207203691280843 2010 3.5002310321561656 2011 4.18016157788553 2012 4.011183993993652 2013 4.420653920200893 2014 4.80143417654838 2015 4.097129752350012 2016 3.8463794237880498 2017 4.464969739260056 2018 4.579378659052593 2019 4.068056774949264 2020 3.6779160779740083