Year	% of commercial service exports
1977	35.19213598273607
1978	31.79434025503322
1979	28.375862862264125
1980	28.26605105190317
1981	32.63477738646305
1982	29.880067824392892
1983	27.230767665765775
1984	32.520818651575574
1985	31.647396378615117
1986	30.65185399415348
1987	44.03241606928014
1988	43.47684701379274
1989	54.281341407742
1990	53.82683880356041
1991	51.615207276105004
1992	58.533095018245106
1993	51.47521945205237
1994	51.13745223030362
1995	50.85602386365128
1996	47.92995038184656
1997	46.55697829758612
1998	46.322671162704786
1999	46.35646463680021
2000	45.89745902463842
2001	44.981496219178844
2002	47.18096104939237
2003	48.76375830951789
2004	45.45936918670811
2005	30.244353182930443
2006	32.44310221211004
2007	33.06607012056728
2008	33.994363221222876
2009	33.296409622135435
2010	33.853604696329775
2011	33.57632591139663
2012	33.11691317957111
2013	34.94254594722492
2014	33.23672479754899
2015	34.4034156973016
2016	31.78508347686695
2017	33.095972733980844
2018	34.35202965292969
2019	34.77149472946391
2020	39.9911132983094
2021	39.91593136182056
2022	35.84131330954443