Year % of commercial service imports 1977 13.84615384615384 1978 5.705229793977793 1979 1.945244956772541 1980 14.63256015608053 1981 14.183864915571903 1982 14.36170212765947 1983 11.487034035656507 1984 7.508161044613615 1985 19.53125 1986 32.85943699225385 1987 28.027468624200736 1988 27.320799059929527 1989 27.693474962063746 1990 30.894308943089726 1991 28.855306583290087 1992 31.07299561228548 1993 28.73628679335755 1994 29.35212085996507 1995 31.778464137694343 1996 33.4659807822965 1997 36.81579373712574 1998 36.40531353430533 1999 29.894836598624053 2000 54.35218630891643 2001 53.3255074908598 2002 56.75923201345993 2003 56.79092603374506 2004 56.36051219556142 2005 57.13245822839858 2006 55.878789834149245 2007 51.897661302592766 2008 52.32377400214687 2009 58.703504270718845 2010 55.776827127756405 2011 57.73364892559704 2012 55.17592787991321 2013 54.263537796461705 2014 50.01455819963584 2015 54.07484498666782 2016 57.04427198497329 2017 53.91773878711658 2018 52.59992624366762 2019 53.249744093327884 2020 52.112783066498935 2021 52.89764529571358 2022 51.94822399765012 2023 51.92297197261114