Year % of commercial service exports 1975 1.5330790296256793 1976 2.4917616652108205 1977 1.7688898041654453 1978 1.7643541282956028 1979 1.9761597396310842 1980 2.45839235196164 1981 2.0668632444801123 1982 2.2274897303090695 1983 2.2976732525615406 1984 1.4245361587883494 1985 1.343406248452368 1986 1.3008043663139668 1987 1.5166852372551458 1988 1.354523785151592 1989 1.925302734281462 1990 4.310282664057148 1991 4.851921562829185 1992 6.017783386022866 1993 4.81308503894374 1994 4.534557289357325 1995 3.9246764301480765 1996 3.8087011933093224 1997 3.0998230136542073 1998 3.1912699233343558 2013 4.3720884516088665 2014 4.145035517662694 2015 3.812162216997079 2016 3.583439432547334 2017 3.4931145600801896 2018 3.042154897068155 2019 2.981245683178011 2020 5.585688229131948 2021 5.283878559023558 2022 3.5301372769344876