Year % of commercial service exports 1977 35.99955121833764 1978 36.1915955387143 1979 34.34457566709402 1980 39.197111153801174 1981 36.57344868349173 1982 34.94977611831289 1983 33.39120620280142 1984 25.262885330998298 1985 26.6783080553749 1986 36.19509263832004 1987 34.69574137238098 1988 31.034895585194956 1989 28.661781513827265 1990 27.302945019748208 1991 28.933432447602048 1992 34.328602704140835 1993 33.61575858242156 1994 29.874253501393223 1995 29.9456592499879 1996 29.999745096109887 1997 28.427232063966915 1998 27.287837909842647 1999 28.613254884276117 2000 27.239159779416187 2001 26.030806654522085 2002 24.625733133963376 2003 25.202249139388 2004 24.67115053841824 2005 24.9830516596302 2006 22.779658943697772 2007 27.21927232481766 2008 26.001840614866914 2009 26.866193133311327 2010 25.49881988299828 2011 26.405848296094348 2012 26.49272029532836 2013 26.624918834733222 2014 27.98300104058178 2015 26.146277191719047 2016 27.506784541985095 2017 30.906599308467516 2018 29.24439672799914 2019 28.933872682822507 2020 14.234909139854365 2021 12.639073016571812 2022 19.34530559379079