Year	% of commercial service exports
1977	35.61236382772769
1978	30.835860253968615
1979	22.25573295509873
1980	23.632579439148053
1981	22.225612916681914
1982	22.69613361257157
1983	21.98867551601898
1984	21.992410352706813
1985	21.247512953152285
1986	20.26764533832752
1987	21.09463776780818
1988	21.515106498321423
1989	20.384560792822242
1990	19.96282355532985
1991	19.802852076374776
1992	18.2436377643785
1993	17.849601904881666
1994	18.89775198137927
1995	19.3639464814536
1996	20.37211139541707
1997	17.82228394434615
1998	16.79235086598928
1999	16.880686207779874
2000	16.710019809007772
2001	15.849157316698541
2002	18.774175023533004
2003	18.286755545339123
2004	18.167318111407514
2005	18.820720750958397
2006	18.888374988756016
2007	18.56165768073191
2008	20.48379747028035
2009	19.421847922961952
2010	19.502083525170676
2011	20.244218270548348
2012	20.30009310235801
2013	20.802258992265116
2014	20.047852551942665
2015	18.54688517858021
2016	19.462810495230567
2017	18.00470117569919
2018	17.604944016593592
2019	16.73030021975068
2020	19.669133868983856
2021	20.938084522288122
2022	18.382471435342413
2023	15.860666665422759