Year	% of commercial service exports
1977	18.827530865824134
1978	18.22731593325561
1979	16.11246161687928
1980	15.55689601153577
1981	18.62642845800473
1982	15.290929480320871
1983	13.591813547764652
1984	17.997821401669324
1985	23.89168939859789
1986	22.044674705514254
1987	32.55369219540663
1988	32.0609356653343
1989	44.06806565043418
1990	35.66821061589597
1991	35.426862537851896
1992	35.2241814934326
1993	35.769130015520744
1994	38.44996472718772
1995	38.2316002142743
1996	38.79905672516409
1997	37.42492322358365
1998	35.75566425448466
1999	37.63561851406299
2000	39.44841515890828
2001	39.67282649974998
2002	38.29253769658307
2003	36.96862277138469
2004	36.920083458672835
2005	19.313822344952467
2006	25.887559658997755
2007	18.703120730692465
2008	18.261991189929383
2009	18.23606987138947
2010	19.831873126432324
2011	21.662722707485305
2012	21.25231180501994
2013	22.725940562717597
2014	21.527257413301317
2015	23.463072625685616
2016	20.191600808481162
2017	21.1283536064699
2018	21.09493885386619
2019	21.84050827700016
2020	36.299091348734706
2021	36.482783367448015
2022	31.93313852666235