Year	% of commercial service exports
1977	1.0067114093959744
1978	5.044883303411134
1979	7.080645161290304
1980	6.607142857142848
1981	4.84265734265734
1982	3.6549707602339248
1983	3.676975945017174
1984	4.066265060240953
1985	5.460992907801407
1986	1.1161731207289312
1987	0.5333333333333351
1988	2.5454545454545467
1989	0.22145669291338607
1990	0.284348197245608
1991	0.744651975910154
1992	1.1187402904348906
1993	0.9489856259609736
1994	0.42902672223584226
1995	0.598816401955512
1996	0.27164354113738476
1997	0.4288651024314183
1998	0.42430939226519276
1999	0.8457150437781908
2000	0.8497581461710612
2001	0.8499415427281841
2002	0.8501153340662456
2003	0.112966907603319
2004	0.16602190316140875
2005	0.8038225710410318
2006	0.6182909913329047
2007	1.6333898999144387
2008	0.8330730708207181
2009	0.5022857613382452
2010	0.5663275972910337
2011	0.7616495706184943
2012	0.6295958952665882
2013	1.3617265924824347
2014	2.40787720805923
2015	11.097349589714051
2016	10.099391035059071
2017	7.936024804184762
2018	17.564265360081016
2019	17.99606806048121
2020	26.887730050797042
2021	23.094106127824805
2022	20.720097356254797