Year	% of commercial service exports
1974	4.077957602005917
1975	4.60701330108829
1976	2.491827097711586
1977	3.2645161290322586
1978	2.617481956696069
1979	3.1785808493801166
1980	2.714751721638283
1981	2.612863527430524
1982	2.6940395329313924
1983	2.6969623623381462
1984	2.1889089269612274
1988	6.3426186985451505
1989	5.609096221114073
1990	6.864876471140804
1991	5.882114972288529
1992	8.863712904781984
1993	7.8505603832850195
1994	6.282691111805589
1995	6.940690902923061
1996	2.68401854123194
1997	3.680222151591681
1998	5.245739754727294
1999	4.075827394010637
2000	2.3486760895432774
2001	2.333220765664821
2002	2.7500561235943652
2003	0.5106355985960167
2004	1.4944630607717346
2005	2.277969401358535
2006	2.472211948375541
2007	2.1967249637963695
2008	2.246587268658642
2009	2.495760640013314
2010	2.242943987365658
2011	0.867640846578867
2012	11.24033667207219
2013	2.0406093233506417
2014	3.919666233339689
2015	4.933777144596252
2016	4.176564116317375
2017	4.0285964902856835
2018	25.743749215094034
2019	11.782695370039711
2020	11.934595836006325
2021	6.063828652169208