Year	% of commercial service exports
1978	11.68524416135882
1979	21.925272444213807
1980	23.76650563607089
1981	24.093626765042618
1982	37.65944645006008
1983	20.55948089401592
1984	38.04347826086947
1985	43.945349054838104
1986	61.421761076836844
1987	69.56621880998048
1988	32.41742018822656
1989	29.203393825123737
1990	33.39052848318457
1991	33.37393422655295
1992	30.629539951573875
1993	27.812113720642756
1994	35.198555956678746
1995	46.5116768135599
1996	48.15759799705687
1997	49.90280477645086
1998	54.52985737789998
1999	60.94861142913207
2000	55.93582179708909
2001	48.85244028976938
2002	24.76080888150191
2003	52.23907567044702
2004	60.70105483442214
2005	22.096380190983783
2007	18.789185438505186
2008	28.38621231484672
2009	19.885830685581972
2010	7.51139616431521
2011	14.195234015115105
2012	6.856048231415773
2013	2.1871454417221172
2014	2.561551145732641
2015	5.890503318549878