Year	% of commercial service exports
1978	9.466560509554148
1979	11.28697457187336
1980	6.136876006441222
1981	5.546368146546245
1982	9.572803850782138
1983	6.73684210526316
1984	4.272863568215881
1985	11.267078420363061
1986	6.07683679192373
1987	8.975047984644863
1988	4.803469274773935
1989	3.7685599811454287
1990	5.74811256005492
1991	3.5322777101096254
1992	3.631961259079904
1993	1.9777503090234863
1994	5.956678700361002
1995	3.3058894041197364
1996	4.916575884410319
1997	6.283608088662247
1998	2.9413058588560337
1999	5.0217526413921725
2000	0.4592432003045082
2001	16.430427705166082
2002	31.41128087110316
2003	31.688261992580646
2004	17.31285879924212
2005	24.266362107801108
2007	25.131960449037212
2008	1.0220338960794648
2009	46.182211865705874
2010	20.087796652322666
2011	4.518441900609864
2012	2.3298981319236143
2013	1.614485909662382
2014	1.8763859669073715
2015	1.151750202576905
