Year % of commercial service imports 1975 20.561139028475708 1976 23.8133547868061 1977 32.610321615557226 1978 37.08474576271186 1979 27.44338498212157 1980 28.68077442593426 1981 29.78401727861771 1982 28.817733990147786 1983 32.21746116764862 1984 26.075022872827077 1985 28.567242894813944 1986 31.944444444444443 1987 28.403819918144606 1988 25.92508513053349 1989 26.885310290652 1990 30.491608495470075 1991 29.196050775740474 1992 27.75003782720532 1993 28.123634775010913 1994 31.699877999186654 1995 20.606336904490547 1996 26.952388756863073 1997 22.403663443680912 1998 26.964810204953295 1999 33.146003262165195 2000 35.44482353968027 2001 40.2344205534485 2002 41.58228712962287 2003 45.587106169701606 2004 40.24309343676227 2005 43.66088700813749 2006 43.19702330183275 2007 40.78717748111078 2008 40.24243576217205 2009 45.7200883807673 2010 47.08961177208042 2011 46.01936569873844 2012 48.83136932572265 2013 47.76915468461971 2014 51.34958275490024 2015 57.580901414813454 2016 59.189015162689664 2017 52.81931379965312 2018 51.65333439357308 2019 51.85592604519641 2020 63.57433102361973 2021 52.957938591489395 2022 47.38051762694179 2023 52.90584038610703