Year % of commercial service exports 1974 1.3501144164759724 1975 1.5195071868583163 1976 2.5748502994011977 1977 1.9650655021834063 1978 0.9067357512953367 1979 0.43478260869565216 1980 0.5033557046979865 1981 2.4737762237762237 1982 3.7598321971683273 1983 2.9420970266040687 1992 1.6519110343338372 1993 1.654306902452938 1994 1.230998787652709 1995 1.5267702936096719 1996 2.4665421724245253 1997 1.8587166501331385 1998 2.217122071623436 1999 2.1642068708917277 2000 2.086702488392717 2001 2.3728587615810173 2002 1.781370725425669 2003 2.8004016512328462 2004 2.4615654154439137 2005 2.428914260781034 2006 3.101467277385296 2007 3.506401378238692 2008 4.3571974244243155 2009 3.244145265301505 2010 3.3670688984040487 2011 3.34478527607362 2012 3.211641914570785 2013 2.6133560187154403 2014 2.993184156378601 2015 2.920791183336651 2016 2.91542006071062 2017 3.45060766008603 2018 3.129962604374776 2019 2.655786573523434 2020 3.54050058084275 2021 2.2843761769859334 2022 1.7543274151203665