Year	% of commercial service exports
1978	7.53140738432587
1979	6.705389921498956
1980	4.800541726571869
1981	4.654610971338183
1982	4.528860391229267
1983	4.868414520611271
1984	5.222587654100958
1985	5.070188869550108
1989	4.9240898559020625
1999	4.369359924504271
2000	3.621189384420919
2001	3.8954482009680063
2002	3.33860671881155
2003	4.5917772371607075
2004	4.540082368118711
2005	6.8684376064910095
2006	6.824302309356707
2007	5.849964791587715
2008	5.874068068766354
2009	5.122307684681817
2010	4.979140837599121
2011	4.625982661077771
2012	7.4717703664402935
2013	4.14218644296507
2014	3.3912439813571074
2015	3.295609370317343
2016	3.5412005491629177
2017	3.7989626167690624
2018	3.9072880342542553
2019	2.747902192250183
2020	4.468105359791214
2021	5.017190889710409