Year % of merchandise imports 1978 41.30691302220967 1979 45.19454507452653 1980 46.43006033309637 1997 34.74738186318246 1998 34.42185737685612 1999 31.818514347959194 2000 31.000664420506325 2001 33.740948375717096 2002 29.818723922983203 2003 30.75606166334046 2004 30.206985660022887 2005 30.50579638026496 2006 29.171402957565938 2007 25.686501493341435 2008 27.657681513585747 2009 29.4438689422713 2010 27.74595862274018 2011 25.39566691439039 2012 27.93869912425783 2013 32.151685908999795 2014 28.442158600464424 2015 32.46505295563489 2016 30.870165553107626 2017 30.099752807280122 2018 30.199488500856752 2019 30.927100924614404 2020 21.98444058410137 2021 30.13277055585228 2022 34.24787454740172