Year % of commercial service imports 1968 24.090909090929628 1969 24.4094488189195 1970 21.122112211239426 1971 17.732558139527825 1972 17.034700315457414 1973 18.128654970762355 1974 20.270270270277507 1975 24.46540667628838 1976 19.8123012489131 1977 24.1125064447142 1978 21.336104108462237 1979 23.976400870086607 1980 21.56084819668773 1981 18.220760885435027 1982 14.024979600667692 1983 15.815485996705107 1984 17.47572815533981 1985 28.21818181818182 1986 18.892307692307696 1987 18.77278250303766 1988 17.46130030959752 1989 15.960264900662239 1990 24.420677361853834 1991 25.14285714285714 1992 22.95048494129658 1993 21.140491452991455 1994 11.540540262687216 1995 13.801182585894267 1996 17.12885901426256 1997 15.756379686580175 1998 16.427572848245433 1999 18.723123261562222 2000 18.345176013076042 2001 18.416962623018605 2002 18.331096490619814 2003 20.472023132293828 2004 21.86192012259454 2005 21.107256452014852 2006 24.60403100629732 2007 30.09469619887497 2008 30.687394263371317 2009 36.28772164082538 2010 34.905687661972905 2011 34.31421387477846 2012 33.92005184435281 2013 36.93356986072432 2014 36.39178749982895 2015 35.73906830284555 2016 35.11628858188402 2017 33.31150626545532 2018 32.83951188688573 2019 29.95113243073024 2020 38.12578197430528 2021 29.504370265040336 2022 29.19666001156972 2023 33.98460483358865