Year % of merchandise exports 1996 27.66409176224173 1997 25.696782302530117 1998 31.628522953692002 1999 31.700290441194205 2000 24.243213145053925 2001 17.518818773456484 2002 12.37458291852905 2003 9.769581048078525 2004 7.854938683201183 2005 9.421908843055274 2006 10.93326386437331 2007 10.823425692803097 2013 6.3834770691823834 2014 5.567681464578126 2015 6.243371170591694 2016 5.8573527260728895 2017 4.940445881120905 2018 5.326298323157184 2019 5.03538700902138 2020 3.2237410834794504 2021 3.705756274874445 2022 3.7864340689913867