Year	% of commercial service exports
1977	0
1978	0
1979	-1.4210854715202004E-14
1980	0
1981	0
1982	0
1983	0.17667844522968323
1984	0.5357142857142918
1985	0
1986	0.49102275108016613
1987	0.6023090838088763
1988	4.820872695962265
1989	1.159997604252382
1990	1.5873015873015817
1991	1.1211844019896517
1992	2.81632263238491
1993	0.6326978608814358
1994	0.820144442353893
1995	0.6736388159565507
1996	0.41498051230963995
1997	0.8854956866953927
1998	0.8151193184265253
1999	0.6024944325375827
2000	1.0726534730032569
2001	1.0816513934181273
2002	1.404397901944023
2003	1.5653106426009913
2004	1.9634409249559894
2005	2.3698990094875256
2006	1.816466095294274
2007	1.5368340916440388
2008	1.614760408730021
2009	1.800621727784403
2010	2.790185506496087
2011	2.7467409289678955
2012	2.6262307198051786
2013	2.387511093927543
2014	2.712815925510114
2015	3.0044875031373834
2016	3.6377925287971067
2017	2.4158338911317117
2018	1.97403232241453
2019	1.939156310522307
2020	2.4694695232029034
2021	1.1684514656588192
2022	1.102255402864273