Year % of commercial service exports 1977 28.744521783964938 1978 32.13717919600273 1979 32.828018818609515 1980 44.14428010866284 1981 36.849507735583686 1982 34.716459197786996 1983 32.357473035439135 1984 34.547260387353084 1985 30.191693290734822 1986 31.64080403326131 1987 29.445357550770257 1988 33.52215928023992 1989 32.83130129890828 1990 31.58660844250364 1991 31.504922644163152 1992 23.672230652503792 1993 38.4641799015136 1994 43.146300717160315 1995 57.57181249014748 1996 58.17840769552019 1997 67.74365875914398 1998 62.33059604097539 1999 70.3984918942397 2000 73.35867516449443 2001 71.86973141134867 2002 72.87256710521515 2003 68.12544702257509 2004 68.74858785360561 2005 69.20000633645009 2006 72.43901094619181 2007 63.8086711262111 2008 63.13128596721843 2009 60.982396935464266 2010 64.09989314611951 2011 66.09932806458362 2012 55.176998795801246 2013 56.72569546410449 2014 57.66103612406746 2015 59.027403617786966 2016 61.00928891545412 2017 59.75871802698709 2018 57.21800676671583 2019 57.2736324595645 2020 30.376455183941225 2021 24.811865537235523 2022 44.67819623580853 2023 48.19011098921052