Year % of commercial service exports 1972 18.358445678033362 1973 19.50912523599748 1974 20.734149054504964 1975 17.06921413121841 1976 19.550835654596124 1977 22.398843930635838 1978 25.231910946196635 1979 29.72762645914383 1980 27.389220385405423 1981 20.626544652995715 1982 18.950556170287065 1983 18.066095471236178 1984 23.7415651904134 1985 21.018289668808706 1986 20.562749488852123 1987 20.954450104884575 1988 21.309642643242153 1989 19.203463481806544 1990 17.496052608748414 1991 18.335321918992157 1992 17.177093142506365 1993 17.156326430920686 1994 17.621758922328304 1995 32.13905736823921 1996 32.31012616852978 1997 32.56386061010572 1998 39.513938640067295 1999 44.03104918491008 2000 45.650406230889686 2001 44.50492426874181 2002 43.34770253735203 2003 44.29449715370035 2004 43.04576816270314 2005 42.90459296649907 2006 38.847117523111955 2007 39.50604320402068 2008 40.62479879879403 2009 36.91257058516098 2010 38.53613298132623 2011 35.76686284323948 2012 34.44298900031219 2013 32.612427380252846 2014 32.87194153292471 2015 30.4896594469657 2016 27.350522730502714 2017 28.216865958692196 2018 30.32749273585199 2019 30.022385370953327 2020 30.789733292943495 2021 37.16471266962102 2022 40.052562366846615 2023 32.12132051575448