Year % of commercial service imports 1977 3.5139092240117202 1978 4.34482758620691 1979 3.669238187078107 1980 2.768166089965402 1981 4.44175596266852 1982 3.4955957348168725 1983 4.194756554307122 1984 3.8369098712446315 1985 3.9318023660403725 1986 2.169962586851942 1987 3.356183947443593 1988 4.632675438596493 1989 3.586800573888102 1990 3.124620579460493 1991 4.5658101872191725 1992 4.9463230316738755 1993 3.000292001297363 1994 2.579543027973519 1995 2.548709166693594 1996 1.0323158369357222 1997 2.3483586724499887 1998 2.1024030216021528 1999 2.8119030797812457 2000 2.81340696796613 2001 2.813404424801089 2002 2.8132938038194535 2005 0.46604905223645804 2006 2.520917516965988 2007 1.4044750164336492 2008 4.631899554757359 2009 2.6754831789151647 2010 2.693916775242431 2011 4.544379142376904 2012 5.166952312473587 2013 4.797182431701993 2014 6.781498669985537 2015 7.937575181711195 2016 9.366528255519897 2017 7.51158457418574 2018 3.960940264551004 2019 3.6842059010520485 2020 6.496526449466547 2021 6.967756031431225 2022 6.116154747001124 2023 6.07817194705695