Year	% of commercial service exports
1967	11.554182208794792
1968	8.908332885951936
1969	6.809003824542283
1970	5.106250828769522
1971	5.9929763953360835
1972	4.771495389988683
1973	4.180668551644292
1974	5.5034513479659
1975	8.802398657567343
1976	7.668146563163465
1977	6.4293807007376875
1978	8.112372086081116
1979	7.924990616234602
1980	7.629928339700642
1981	5.827840185665705
1982	6.693857858269264
1983	5.863642107208664
1984	5.6824218668699285
1985	4.841742987514767
1986	4.2306064859146915
1987	1.3418097899149222
1988	1.5173622728003877
1989	1.161238235957117
1990	1.273143831074544
1991	1.6864550750077114
1992	1.9531218959132026
1993	1.7862863657740893
1994	2.2034121012652346
1995	2.463190863536755
1996	2.1795286111229877
1997	2.6919185678148825
1998	2.6125498206965507
1999	2.722768987615123
2000	2.6377239298305684
2001	2.611679888274943
2002	2.4581344168302373
2003	2.4732095200933517
2004	2.7048015967969645
2005	2.098427830859745
2006	2.2733346112992776
2007	2.5933161321502807
2008	1.6953202654773218
2009	2.813042197565653
2010	1.9027133092132504
2011	3.7435896545978737
2012	4.037256692985932
2013	4.077822704624707
2014	4.126252819069353
2015	4.291522285988944
2016	4.696144887589725
2017	3.3919784618692104