Year	% of commercial service imports
1967	8.088887397150563
1968	6.22214663650153
1969	5.146674085587117
1970	4.624109623545857
1971	4.392639771925785
1972	4.005806165752765
1973	3.94389336693182
1974	4.88707251279898
1975	4.664110260155168
1976	4.602869127990945
1977	3.9418639647356737
1978	3.7156022103301107
1979	1.3996731568801084
1980	2.4982660949474047
1981	2.4968625781282303
1982	2.5451695602683673
1983	2.6269493365651555
1984	3.927296091181572
1985	3.7642841762659316
1986	4.878560248319994
1987	5.2141975557961935
1988	5.167719653862092
1989	5.439995546699547
1990	8.31585799378333
1991	7.030930562273308
1992	8.116746707001015
1993	8.503699999996327
1994	10.664478416640387
1995	9.269755251920712
1996	8.147169307393511
1997	6.902372356986833
1998	7.180092358643848
1999	7.257226278600815
2000	10.822829822922152
2001	7.34084042843081
2002	7.184898604908452
2003	5.9139909946091365
2004	5.519089868764772
2005	6.095977967015063
2006	6.498616106423302
2007	5.852902649837867
2008	4.648188228090857
2009	4.09229468015269
2010	3.717287791543767
2011	5.632610321313368
2012	5.228576649846083
2013	5.046537394305144
2014	3.3632665618580186
2015	8.345146629112946
2016	10.36409183422579
2017	6.424542152846327