Year % of commercial service exports 1977 2.5323954846535766 1978 2.519261570597793 1979 3.4804205993888977 1980 3.2257660932395797 1981 3.904945105198643 1982 3.991801054623042 1983 4.474567807329206 1984 4.323418190455952 1985 4.6909319416482305 1986 6.206100626411995 1987 6.036407183427046 1988 5.804941395793436 1989 5.7204394129859555 1990 5.41058717746483 1991 6.809959731619663 1992 7.522081344464962 1993 7.623912882184474 1994 6.380474657311303 1995 6.700574711448772 1996 7.02586815154587 1997 7.188967666688944 1998 7.375465804021491 1999 8.965259508445683 2000 9.068459541257942 2001 8.448313510236193 2002 9.308394077810918 2003 9.265272963670181 2004 10.14088967230025 2005 10.327602636808145 2006 11.189729771016916 2007 11.781921874073682 2008 11.308487443142006 2009 11.507371418608068 2010 11.160652488455709 2011 11.340281361461702 2012 10.99732808672239 2013 10.726104856953068 2014 10.577930102758394 2015 10.396645301024144 2016 10.346745694238818 2017 10.326228391277601 2018 10.122247338186789 2019 9.99579661969445 2020 12.599713620578154 2021 12.24198753032216 2022 10.616833572278185