Year % of merchandise imports 1978 1.1641693635835575 1979 1.284929475291782 1980 1.6959984621960122 1981 1.3723361691018745 1982 1.4418059579951035 1983 1.927175636037942 1992 3.734549501543943 1993 4.7615227562372855 1999 2.113566317103083 2000 2.3140152761916797 2001 2.268734632006273 2002 2.1023063480294057 2003 2.2611174431057943 2004 3.1449315951323586 2005 3.293508152842979 2006 3.6784121517393595 2007 3.5182772624272745 2008 4.349046727132947 2009 2.5156772600018447 2010 3.14566663233853 2011 3.8557154797080533 2012 3.9118032545444286 2013 3.4869857869654974 2014 3.4467488615924338 2015 2.9594225261727503 2016 2.765465471940488 2017 3.261737140385317 2018 3.7057183579385877 2019 3.4201664477483136 2020 3.361752018519569 2021 4.024670193459629