Year	% of commercial service exports
1977	61.950617283950685
1978	60.643776824034425
1979	70.52276559865089
1980	66.5343347639484
1981	54.882214873635846
1982	58.11138147463867
1983	61.48409396832998
1984	62.772317201008995
1985	19.894596698118477
1986	44.356276266855666
1987	43.016359106920234
1988	45.75914634146344
1989	44.717043547928945
1990	44.263298104801244
1991	40.68672992397154
1992	34.23249577080729
1993	27.39622448751448
1994	26.374459816842766
2009	20.20526232615587
2010	29.877202389071794
2011	31.791840322505266
2012	27.34521932413085
2013	26.231027703763328
2014	26.304112552386865
2015	26.24987114530762
2016	26.191765216390454
2017	52.12913549215658
2018	47.35873576888384
2019	33.42771357716144
2020	55.66886130369385