Year	% of commercial service exports
1967	69.52268593521313
1968	75.51470702640134
1969	73.8381645941943
1970	79.20852719546755
1971	80.50313597732185
1972	82.62733736089312
1973	82.17827035496148
1974	85.54550789934284
1975	81.84788595070057
1976	77.25502779286813
1977	79.91256257849142
1978	78.48712777752978
1979	80.05436177820337
1980	79.753351646607
1981	82.22645352562996
1982	76.89776201304164
1983	77.98776773405099
1984	79.41688164885224
1985	78.93494641514712
1986	73.62112310298063
1987	77.6123036219469
1988	79.1585522737253
1989	79.38635992826775
1990	81.36581793167711
1991	77.37666169478726
1992	78.38318979390584
1993	79.41874026240784
1994	77.09117796321583
1995	78.65176845256879
1996	69.22031176263485
1997	75.14512858824182
1998	76.30880007345169
1999	74.54437859284808
2000	73.71746223178481
2001	72.59779777539599
2002	68.35857618919606
2003	75.98871810664527
2004	78.10838088734077
2005	73.14286638824963
2006	78.34471639236094
2007	83.6191610317066
2008	80.3732964549366
2009	77.98421904745406
2010	80.204302769942
2011	76.89547657272576
2012	76.69360599517779
2013	68.79386424667985
2014	66.00755562923192
2015	68.35222342879808
2016	73.8731233051763
2017	71.95032569397118