Year % of commercial service imports 1977 42.11049284578704 1978 35.99268069533413 1979 35.005393743257656 1980 45.38919024900322 1981 42.94617563739362 1982 47.54815614523544 1983 47.08193361043122 1984 45.84214235377024 1985 49.75228944602914 1986 56.17825088707998 1987 51.26320624712896 1988 48.63982589771494 1989 46.68682367918512 1990 47.4522771681948 1991 43.72915276851234 1992 52.00172191132157 1993 51.839659178931065 1994 50.35302861389818 1995 31.988472622478398 1996 32.76704183478445 1997 40.56220754197633 1998 38.1583418280666 1999 38.03514189336601 2000 47.56318949867337 2001 43.2452842062206 2002 42.20898277532252 2003 37.362095914374734 2004 34.955238366158525 2005 33.325620043334666 2006 28.52296806049648 2007 24.889017932868256 2008 27.19804101622283 2009 24.133770984951155 2010 20.653688351076525 2011 22.39393708584049 2012 24.100404962396354 2013 21.31511770823485 2014 22.41719219486704 2015 26.181563778133892 2016 20.970064557070145 2017 29.275693960799927 2018 28.092678525483507 2019 29.766913283316057 2020 26.019208017767312 2021 24.179573576464577 2022 18.79244397731425