Year % of commercial service imports 1978 4.143878838872529 1979 4.82837528604119 1980 8.20110701107011 1981 7.487892187829017 1982 4.6534466477809255 1983 0.6726753132556605 1984 0.9664261060558519 1985 0.8135910224438903 1986 1.2355758763335511 1987 1.3907956783859607 1988 1.627498881739669 1989 1.3801181503361173 1990 1.487193610575599 1991 1.7739900615360849 1992 1.7079121645172533 1993 1.9191564147627416 1994 1.571828926526136 1995 4.533726502027276 1996 7.2866851245909885 1997 7.419316422531856 1998 7.806110175607409 1999 6.570111915734035 2000 6.24899703576797 2001 5.3800309952860665 2002 6.253671943505204 2003 6.066955223956964 2004 5.062000145844657 2005 4.018949528549055 2006 4.769309787347127 2007 5.16815349666088 2008 3.563241737268436 2009 5.155846097681198 2010 3.935835991570074 2011 4.208352497474248 2012 5.349390390227927 2013 5.699944934794578 2014 6.7921123147374 2015 6.443091971489882 2016 6.834070775446584 2017 6.3612144639923915 2018 5.799623733660305 2019 5.605859829337816 2020 6.969184409073394 2021 6.8720212048126905 2022 6.355732179791115 2023 5.99947839604885