Year	% of commercial service exports
1977	26.081081081081013
1978	30.769230769230766
1979	32.38770685579193
1980	31.721854304635784
1981	44.01023890784987
1982	46.91588785046735
1983	43.695090439276505
1984	43.33333333333335
1985	22.92547834843892
1992	27.62129853894836
1993	26.27061821107684
1994	22.83578902412983
1995	25.51229112800525
1996	3.9257673090649536
1997	4.11883862255233
1998	3.314527503526093
1999	4.081632653061225
2000	4.25280567040756
2001	5.348837209302325
2002	5.397562391178178
2003	4.2729591836734695
2004	4.465700807368873
2005	5.145875319546075
2006	5.4590772398472005
2007	5.034211119915325
2008	4.436606732933019
2009	5.8354198242973565
2010	5.557862385154835
2011	6.426284426656983
2012	7.06483882158291
2013	14.050640597486186
2014	14.075768410461034
2015	13.896553090647329
2016	9.888143490933778
2017	7.350648217918618
2018	2.1406848922354476
2019	1.1216687284894549
2020	0.9248396788313067
2021	6.9335677938560245
2022	1.3008013627289454
