Year % of commercial service imports 1975 4.825688073395792 1976 4.8013669372025065 1977 3.6861313868666987 1978 3.136969696966359 1979 4.379495377820868 1980 3.4123989218328843 1981 3.169919086149452 1982 2.607891491985203 1983 4.282584884994524 1984 3.8047445255474455 1985 8.285714285714285 1986 7.720254314259764 1987 8.389786347055757 1988 9.49119373776908 1989 10.019646365422396 1990 11.170212765957446 1991 6.561888551294085 1992 8.554033485540335 1993 9.30722891566265 1994 6.332288401253919 1995 6.483987915407854 1996 6.747409638554217 1997 6.988203256660082 1998 6.73628292005331 1999 6.94323301495765 2000 5.9362387851853775 2001 6.078656724177421 2002 5.367436521284424 2003 4.721111653082959 2004 5.1977221253980606 2005 5.031841777718061 2006 4.846895247474449 2007 4.552536879111156 2008 5.281210613361358 2009 3.7028494639559506 2010 4.785195853005916 2011 4.266538345422205 2012 3.9514839444387357 2013 3.406899073635806 2014 3.0709473013459223 2015 1.8252357991621178 2016 1.6156728708208914 2017 1.3063145416693698 2018 1.2419386774083936 2019 1.0521611976555207 2020 4.984577712750752 2021 7.2136065646216885 2022 5.377187511654292