Year % of commercial service exports 1977 5.005284527074367 1978 4.886612400186465 1979 5.426841918598249 1980 4.743641808133916 1981 4.421483194859533 1982 4.841235830320464 1983 18.95693447557309 1984 19.144826145974704 1985 20.8216016616663 1986 24.477818853974206 1987 25.087031243114637 1988 23.970482208745068 1989 25.785005370925628 1990 24.630271897392223 1991 25.75984262354399 1992 26.607474735223708 1993 30.277271202261446 1994 28.444397305314446 1995 28.768939525754988 1996 31.982784111443298 1997 32.224618374630516 1998 33.977469836929 1999 41.31863413650995 2000 38.102253279774395 2001 34.72419107502135 2002 34.88707748627375 2003 36.039890225044715 2004 34.43493971469819 2005 34.91188447949017 2006 36.67488690035358 2007 38.71685473465458 2008 34.94577219917302 2009 30.82015000300554 2010 28.305397767379738 2011 26.69800053160609 2012 23.81930891622638 2013 23.893747690340444 2014 22.539945479966505 2015 22.320287907928176 2016 21.96091026583807 2017 22.5047132731171 2018 21.14072223338338 2019 21.96006583969242 2020 25.074457113880825 2021 23.242305822965527 2022 22.565145395861645