Year % of commercial service imports 1975 19.758401534962104 1976 19.301125683319594 1977 21.747556944471356 1978 23.342502398736404 1979 22.85288730789692 1980 21.268799930848417 1981 22.113996036564902 1982 24.86991141878144 1983 23.859702226463853 1984 22.07826767882037 1985 24.87307293006844 1986 30.753282120002268 1987 32.85838126957872 1988 34.763522044520606 1989 28.388978570960166 1990 30.064888424418708 1991 27.285860042258676 1992 28.06707638709995 1993 27.190724611035865 1994 29.916650275140473 1995 30.537195679484054 1996 31.88979122095387 1997 29.5651735145302 1998 30.409439581953123 1999 30.36998818832345 2000 29.5419446611586 2001 26.6870267108554 2002 28.141824599814747 2003 32.090470587628545 2004 34.88851669004214 2005 33.363615961019896 2006 33.97127480824608 2007 29.46697050790894 2008 29.65209652984575 2009 32.898845695681885 2010 29.97143942072154 2011 33.22482893352491 2012 31.728468067908416 2013 32.850034345542554 2014 32.284034083765135 2015 32.43958252893119 2016 31.237175311531484 2017 32.71965407439054 2018 32.74536599711161 2019 30.684241149519327 2020 10.671742828250022 2021 9.668694279518837 2022 26.000449144488748 2023 29.70364598485708