Year	% of commercial service imports
1977	2.7163969035890205
1978	2.8267868641339358
1979	2.4973089343380006
1980	2.596729158356609
1981	3.6305148201759967
1982	3.8093855116222763
1983	4.642079878264931
1984	4.253729220076131
1985	2.2433758329172764
1986	3.431617329175175
1987	3.247251864059495
1988	3.2143884892086327
1989	3.3519647195998945
1990	3.359986412071963
1991	3.557712194688019
1992	4.4230751648764235
1993	3.903281155495988
1994	2.836720605448465
2017	9.093711351492411
2018	9.852935035208048
2019	12.8089907946251
2020	8.743344637150189
