Year % of commercial service imports 1975 16.472613741786088 1976 15.292793969030319 1977 19.76940451207897 1978 19.017412240891495 1979 23.088700711590917 1980 22.802460718357878 1981 18.785051820894168 1982 17.85375392101343 1983 17.621740864874017 1984 17.03082835788134 1985 19.985151035656195 1986 24.24882518414194 1987 22.044652691988574 1988 22.109028565457066 1989 24.037408759657367 1990 27.99591023630058 1991 27.658755430864822 1992 28.075890234288064 1993 26.90634302575973 1994 23.232149123469178 1995 20.306951563970628 1996 20.170239122481778 1997 18.568686901136402 1998 18.463914366289764 1999 18.7566275978457 2000 18.448402071017586 2001 19.222078887373492 2002 19.525913217337635 2003 19.879439698635885 2004 22.59525633551097 2005 25.370849357152476 2006 24.802818144445236 2007 25.698192482878618 2008 25.202632513746188 2009 24.885501322787444 2010 25.855129187692892 2011 25.19785432157172 2012 24.864668866252014 2013 27.322356997077907 2014 26.930285887778698 2015 28.030045220028644 2016 28.699885124311876 2017 31.167408270989878 2018 31.96878530389325 2019 32.255881105294584 2020 13.953239705796763 2021 16.288965477163643 2022 24.951271195283095 2023 28.355116225844746