Year % of merchandise exports 1973 56.823555723159174 1974 44.07164701728851 1997 33.795524330554684 1998 34.79926492319928 1999 33.08821947995484 2000 4.4876034918672465 2001 5.256362282106907 2002 2.8266400496724557 2003 2.6914786219929763 2004 2.5446191766800963 2005 2.578858456827721 2006 2.858463832794812 2007 4.996387562557757 2008 6.084691837849875 2009 4.320237840417009 2010 4.910372820429473 2011 4.311283090302148 2012 4.011350807757895 2013 4.064823823372133 2014 4.664142325636633 2015 4.075880107600845 2016 2.7100725302078814 2017 2.92837543665809 2018 3.3742146243088444 2019 3.2389687969862675 2020 2.06859249835793 2021 1.4100358910780708 2022 3.771887572678222 2023 1.7311714767288098