Year % of commercial service imports 1971 26.56434474616293 1972 26.149131767109385 1973 28.26855123674915 1974 19.853479853479918 1975 13.58515573227303 1976 10.828025477707007 1977 11.762391817466561 1978 33.388704318936874 1979 38.20145574078422 1980 31.42326157658355 1981 24.51521362131484 1982 32.416472416472416 1983 28.736135434909514 1984 25.906735751295372 1985 24.55638236977676 1986 27.930823385368843 1987 27.097856958430157 1988 22.965038697624767 1989 22.880290543371977 1990 52.112676056338024 1991 47.61255115961801 1992 30.681818181818183 1993 34.437086092715234 1994 21.439749608763695 1995 14.722104369961816 1996 15.335516226634061 1997 10.851262862488307 2000 6.666666666666667 2001 7.144274657670173 2004 21.409859490354847 2005 10.484756674872184 2006 9.68848491180414 2007 11.494229477498015 2008 10.76570624911946 2009 9.890409550979214 2010 8.656238093546852 2011 8.164564763585833 2012 8.253023084431078 2013 5.856782528939621 2014 6.7397675956263114 2015 7.090814815762217 2016 18.604436712826466 2017 14.863115640138941 2018 16.301685009854523 2019 16.93310440632841 2020 3.406938507035964 2021 3.7948944206083897 2022 4.690840560246228