Year % of commercial service imports 1972 7.011070110701103 1973 7.046979865771803 1974 7.2261072261071995 1975 7.964601769911505 1976 8.712871287128735 1977 9.711440120003513 1978 7.570722700309237 1979 6.673236857431926 1980 7.780662391191331 1981 5.180479803857184 1982 3.069121778540482 1983 0.6987493800664513 1984 1.1211392394949413 1985 2.7783372739590675 1986 3.6198573101180784 1987 6.51170391066114 1988 5.349065590754508 1989 5.057997344012031 1990 5.218281315167927 1991 5.948892474327432 1992 6.258647875957254 1993 6.67951961306746 1994 6.125400802067061 1995 6.121582048279511 1996 7.124921531701202 1997 6.601522554255175 1998 5.070597637865179 1999 5.3651125249264044 2000 6.257834345771871 2001 6.354949631146602 2002 6.2229155512357615 2003 6.752921535893157 2004 8.273741418764283 2005 8.497367818722816 2006 8.08005930318755 2007 8.157176239632841 2008 8.642300589142373 2009 7.73597207839528 2010 7.205382806375761 2011 8.680050431577921 2012 9.273862847769864 2013 9.770528754343662 2014 10.994926370498714 2015 12.117720336343817 2016 13.449090407092656 2017 11.853686189098083 2018 10.747983450903357 2019 10.868729863143264 2020 15.564920920541736 2021 13.74381338040355 2022 12.115228837586065