Year	% of commercial service exports
1977	0.23069207622868634
1978	0.1865136298421807
1979	0.15437392795883362
1980	0.17156862745098056
1981	0.0916730328495033
2004	14.214472363043196
2005	20.763011671986945
2006	21.162782496540164
2007	22.254335260115596
2008	23.385179650886375
2009	22.221450885109327
2010	21.398504743356174
2011	10.684312459651398
2012	53.73443983402494
2013	52.24954633627436
2014	52.42025567829213
2015	52.91422233896618
2016	45.290319460230776
2017	40.220701935241884
2018	45.03816793893124
2019	44.68426328098894
2020	44.40246387763037
2021	38.03908220878544
2022	36.23960066555749