Year	% of commercial service imports
1977	15.90429275158337
1978	15.58274307791352
1979	15.231431646931924
1980	12.68448344635003
1981	19.936962909776085
1982	24.759012481609403
1983	22.14077037803405
1984	23.1719406172694
1985	53.19660290219654
1986	34.342648010321454
1987	35.40876135462432
1988	33.66906474820135
1989	31.973977411934484
1990	30.43499431170703
1991	35.98182216230545
1992	27.697181490899894
1993	31.301430608167962
1994	23.24236691208172
2009	34.707599416162964
2010	36.164722609023734
2011	29.26204234469205
2012	29.738785330096064
2013	30.720130429880243
2014	29.78499533546689
2015	36.585427977146246
2016	43.04146558517711
2017	32.113734358194066
2018	26.103237166177536
2019	25.437409795962125
2020	35.90835547171014
