Year	% of commercial service exports
1977	21.551125501780735
1978	19.298552900598676
1979	18.467768292009044
1980	21.442312388947727
1981	23.751379762439093
1982	25.588488922428073
1983	26.284348930825573
1984	21.907799797948716
1985	20.366677990075885
1986	33.801175364680006
1987	24.60671670586132
1988	19.892908334380866
1989	17.21809410720708
1990	17.538072507889943
1991	17.937090494843027
1992	19.24577111312475
1993	21.610353349499334
1994	21.365529868233192
1995	20.801122107094923
1996	23.34674744186515
1997	22.839510174321394
1998	25.752518027422763
1999	25.813814987095313
2000	25.788203413488542
2001	26.226340477481354
2002	27.57046911170305
2003	25.85922523305277
2004	27.262795801134093
2005	27.35571770817722
2006	27.716422135583816
2007	29.57343540240798
2008	30.47777589579172
2009	31.9671783367233
2010	28.129674199693994
2011	29.620587106978007
2012	28.81959503280151
2013	29.637701215052036
2014	32.24658463009442
2015	27.572001958432324
2016	32.944841187327164
2017	37.657652923763536
2018	35.857799976600106
2019	33.431671376044626
2020	19.78041667322525
2021	19.237920466248344
2022	28.16536678588861