Year % of commercial service imports 1975 39.53538011970647 1976 50.79289685466294 1977 53.595922066832756 1978 53.746145631958264 1979 52.586559417207546 1980 54.70845426280434 1981 57.50746000082412 1982 54.70705079748737 1983 51.62236354860221 1984 54.185743831389665 1985 50.162054945024295 1986 48.11295207934371 1987 50.33551150205906 1988 50.911046283327806 1989 50.63231650620725 1990 48.44863191057199 1991 46.23334625864769 1992 44.953185056428474 1993 25.4979958550847 1994 27.54981799632831 1995 27.071044427703782 1996 28.388015265267107 1997 29.377068974491543 1998 29.137859187227143 1999 25.2230758629914 2000 26.44180551185461 2001 28.4363512803873 2002 27.347045150652615 2003 26.810167934436297 2004 26.561263400051498 2005 25.656395422971706 2006 26.12795523053237 2007 25.484315057556607 2008 25.317556364632054 2009 24.294603091525676 2010 25.529572090348275 2011 28.303326213751447 2012 28.648248780075292 2013 29.50944323054377 2014 27.350131118416964 2015 26.10946697779348 2016 23.902952048732114 2017 25.425250890411416 2018 25.513624105407683 2019 24.10061509173066 2020 21.306702383672064 2021 26.321729911788456 2022 31.201875269131108 2023 23.444273647973944