Year % of commercial service exports 1974 6.43500643500642 1975 7.019064124783364 1976 9.057971014492763 1977 10.016977928692693 1978 11.787072243346003 1979 10.443622920517557 1980 8.9974293059126 1981 3.9504260263361783 1982 2.841677943166446 1983 1.3513513513513535 1984 1.7550410754294223 1985 2.0577395577395623 1986 7.553014057660244 1987 9.560009214466708 1988 20.328174261966236 1989 24.828197738860602 1990 31.30376204788049 1991 21.883849605716073 1992 27.290806754221336 1993 25.912520913715912 1994 25.07892029936507 1995 26.13468507242213 1996 25.543715820454832 1997 25.944038628203575 1998 29.71881561366671 1999 33.177213175621915 2000 34.020772498009 2001 28.3846859991832 2002 13.691850769306138 2003 25.92974032683112 2004 39.16864888914027 2005 43.93897025147871 2006 41.71488027051605 2007 31.45462175383471 2008 30.40516202267151 2009 32.52988908017531 2010 32.35215507126021 2011 40.355481110126426 2012 42.20006861446793 2013 43.72471178203841 2014 49.26594804346916 2015 56.54340769368324 2016 62.203841418754 2017 50.878218730523926 2018 51.96613573339414 2019 51.96820611466574 2020 23.684563720982354 2021 16.053334442931114 2022 32.78837183448318