Year % of commercial service imports 1971 11.901840490797483 1972 26.109660574412402 1973 23.406279733586942 1974 19.47761194029856 1975 13.878767803908474 1976 28.446115288220426 1977 34.462934947050016 1978 25.650311274021433 1979 23.660433196669914 1980 34.23637830594102 1981 14.34222076944934 1982 17.31832433060862 1983 16.95172380703667 1984 1.212103433503657 1985 1.2711149432353182 1986 4.551877266094365 1987 5.604756424782522 1988 4.981670116857458 1989 7.464933491656552 1990 8.007960911340717 1991 7.777080201306546 1992 11.707970292147522 1993 11.918704122996374 1994 11.190137583564464 2001 26.874694275496353 2002 25.462633413464033 2003 16.665819938466385 2004 17.13875764388638 2005 11.58237240443377 2006 11.288068705905516 2007 5.805136238424382 2008 6.727185138703064 2009 15.090764800254789 2010 17.596757668844035 2011 19.494846458833337 2012 35.20327305662812 2013 40.94809146719582 2014 26.011249924509727 2015 22.909033051482382 2016 30.87703043339343 2017 29.510389282294895 2018 30.01506702506471 2019 25.612567130981745 2020 26.63448843703192 2021 22.39107099539069 2022 28.353413784661953