Year % of commercial service imports 1992 10.907028579952744 1993 16.144040612535214 1994 14.505050696574248 1995 10.844183303287263 1996 52.766748940925204 1997 50.820956310331155 1998 41.52133292868973 1999 41.34956093051918 2008 34.571652853749605 2009 33.45611091915636 2010 28.138209989336254 2011 27.722576670176114 2012 24.78673390846156 2013 25.374452848058354 2014 25.375027656531163 2015 23.77862087318813 2016 25.502989793325646 2017 23.546584738329003 2018 21.656503798420175 2019 21.025479853147548 2020 16.72720637981169 2021 17.29830567822183 2022 19.601355355341333 2023 21.45294775487879