Year % of commercial service imports 1975 6.429488355033936 1976 6.3094083414161135 1977 6.4038105318867 1978 6.048115006601111 1979 6.339332980412945 1980 6.585939336938626 1981 6.63867751246396 1982 6.643225503984987 1983 5.90372120496161 1984 6.590909090909077 1985 6.4209143094266645 1986 5.884629698548573 1987 5.497774180493724 1988 4.954048898907567 1989 5.73998155170647 1990 5.950864813699354 1991 9.126939191484574 1992 9.25321362987145 1993 7.136997538966399 1994 6.990553306342777 1995 3.521859819569758 1996 3.2531076434805537 1997 3.1643472498343166 1998 2.5577963600590334 1999 2.3954877239548695 2000 1.9094836657134715 2001 2.224805517642239 2002 2.392636573908487 2003 2.423591364389481 2004 2.9109483157629947 2005 2.5882160132819156 2006 2.6223197421339197 2007 2.5049521838860906 2008 2.9524544338625853 2009 4.657540019123663 2010 4.298230909477076 2011 3.691169419419632 2012 4.200155916036159 2013 4.2672375979940895 2014 2.6393166745837315 2015 3.0292487084349387 2016 1.6272855006514875 2017 1.696584246581545 2018 1.6526482433345893 2019 3.5182281766801986 2020 4.845992624763067 2021 4.4310861004073345 2022 2.5047704578320826