Year % of commercial service imports 1977 49.90890454958701 1978 50.72699353810728 1979 45.49118812918953 1980 42.04056756437369 1981 47.292495394038724 1982 45.11502247462159 1983 48.29538749093048 1984 49.127098400825034 1985 47.86753019140034 1986 44.58012608604812 1987 43.8219202518901 1988 48.45085346081343 1989 45.384934574490394 1990 41.51523985989549 1991 46.378708735129266 1992 49.44427665070104 1993 39.317341493703786 1994 39.14219496607302 1995 36.47228856613647 1996 30.508366367966623 1997 33.42171117574985 1998 32.39859859223517 1999 33.50892412365959 2000 32.844075874186984 2001 32.61362216817661 2002 31.293884805094837 2003 33.58471296518539 2005 46.176193245104365 2006 39.19556356079251 2007 40.63911863141252 2008 41.90568804469616 2009 41.23644040029027 2010 44.30481655783538 2011 43.13422654980939 2012 45.5843302535446 2013 44.02940887681637 2014 41.54046551755186 2015 42.356049514297766 2016 49.76146032896514 2017 35.93854641577046 2018 34.488977916206444 2019 33.66632716839511 2020 34.288257101668236 2021 40.19499614815303 2022 48.12263163628762