Year	% of commercial service exports
1967	18.658537291227873
1968	15.391134447521054
1969	19.18044630582928
1970	15.5551020940987
1971	13.399970385506492
1972	12.510050227424827
1973	13.561491333096257
1974	8.288501474224645
1975	8.60102117263989
1976	14.273018151402667
1977	12.811053692644862
1978	12.715036493016399
1979	11.090812546296021
1980	10.72464957858044
1981	10.120131666701198
1982	14.749360053965432
1983	13.342863662852665
1984	11.636709051224841
1985	10.56811682521922
1986	16.227563892840365
1987	15.648595952617569
1988	14.6173693857736
1989	13.89169931507574
1990	11.315506582801135
1991	15.828597456556295
1992	14.663382589694919
1993	15.360882827106607
1994	17.473846229667657
1995	15.93075053902568
1996	25.50003320870917
1997	19.22497038402109
1998	18.303437306089535
1999	19.96426987118234
2000	21.052510113399464
2001	21.758796862332076
2002	26.04536635004129
2003	18.819043562294183
2004	17.856179729245994
2005	23.03210795198875
2006	17.617994960668483
2007	11.920707159227533
2008	15.90068375331073
2009	16.93902796592606
2010	15.342034363686096
2011	17.22159918749078
2012	17.67082487280797
2013	26.371276538900645
2014	29.129761462095715
2015	26.692166908459924
2016	19.85657701897908
2017	23.40230819886156