Year % of commercial service imports 1975 33.93353412987838 1976 39.6425650981784 1977 38.131795681045304 1978 37.43890317821217 1979 37.92582238766542 1980 37.172526703155306 1981 39.05864680225546 1982 37.70474841495689 1983 37.413114252085 1984 37.486681485911504 1985 35.831473960591985 1986 33.18127976631751 1987 33.367092920094514 1988 32.91552710708235 1989 33.40351075433957 1990 29.85972041674176 1991 28.946726837783363 1992 26.850818723553783 1993 26.380846349911952 1994 26.622212367144773 1995 26.05612606800443 1996 25.36303188192073 1997 25.253883916452498 1998 23.799715569297295 1999 22.819167362738167 2000 22.87665739979078 2001 22.35975843135657 2002 23.111024484223954 2003 23.251135607308385 2004 23.817815539227176 2005 23.343169595376576 2006 23.935223036378733 2007 24.521897442644022 2008 24.70138122451052 2009 21.75455886080121 2010 23.816289130334383 2011 23.697850530649976 2012 23.351954180646377 2013 22.135890470761307 2014 21.30789458807796 2015 20.745140392809326 2016 20.460437423342018 2017 20.628140869407567 2018 20.933625952066933 2019 20.605375433396578 2020 21.19409846000315 2021 23.648762448935535 2022 24.9647247002112 2023 21.669520370166328