Year	% of commercial service exports
1977	9.38868677184448
1978	11.655605639854933
1979	17.91320117671161
1980	10.790734824281149
1981	6.0293845918482285
1982	3.843175600708611
1983	3.5294117647058867
1984	4.206481790845311
1985	3.7032411057205783
1986	6.422818791946308
1987	10.937887044835309
1988	19.685832839359826
1989	27.954142213730044
1990	14.123788217747949
1991	38.76010781671159
1992	10.118518518518519
1993	1.5584415584415585
1994	1.3636363636363635
1995	0.8557457212713936
1996	2.1621621621621623
1997	3.7037037037037033
1998	41.911764705882355
1999	4.171779141104294
2000	62.8099173553719
2001	44.44444444444444
2002	12.788468910526717
2003	29.22036082474227
2004	27.350917431192663
2005	2.3157728526323416
2006	7.601828397215097
2007	2.240569373105741
2008	4.565108756449032
2009	2.7618165038241784
2010	2.217043612013288
2011	6.655901199577528
2012	1.6463089228918426
2013	11.394772283134449
2014	27.29442847949538
2015	33.252748900342056
2016	17.44303340568755
2017	22.888971287503857
2018	27.55385321312516
2019	28.488985518742993
2020	32.66339037319369
2021	29.934211543183046
2022	28.699792903515213
