Year	% of commercial service imports
1970	43.234714003944774
1971	46.81654676258993
1972	45.21739130434783
1973	43.20495185694636
1974	38.531531531531535
1975	43.63804817788758
1976	43.81418092909535
1977	40.250859106529205
1978	36.70439927965012
1979	32.50424242424243
1980	32.11616281837657
1981	29.678072484308565
1982	23.86344431299645
1983	32.780728376327765
1984	41.861089792785876
1985	45.94349142280525
1986	46.24522900763359
1987	51.51652331371661
1988	56.99964450764309
1989	34.54068241469817
1990	32.760736196319016
1991	42.086330935251794
1992	42.30677195501316
1993	33.77979568671964
1994	27.614058065924468
1995	30.32230703986429
1996	26.16962187566759
1997	39.58388201211483
1998	39.9496855345912
1999	37.53644314868805
2000	42.5422138836773
2001	43.6572946646004
2002	40.31209362808843
2003	38.84627186253452
2004	40.62719400889305
2005	42.498551843985325
2006	46.471809062608095
2007	38.81376480462557
2008	36.20918089003196
2009	34.0103482894432
2010	32.74067649609714
2011	33.51611114533917
2012	39.10032715376227
2013	33.75282349144885
2014	31.268257059396298
2015	29.4599263877413
2016	29.48831054256727