year	import	gnp	cpi
1970	39866	922.7	116.3
1971	45579	1077.6	121.3
1972	55797	1185.9	125.3
1973	70499	1326.4	133.1
1974	103811	1434.2	147.7
1975	98185	1549.2	161.2
1976	124228	1718	170.5
1977	151907	1918.3	181.5
1978	179020	2163.9	195.4
1979	212028	2417.8	217.4
1980	249781	2631.7	246.8
1981	265086	2957.8	272.4
1982	247667	3069.3	289.1
1983	261312	3304.8	298.4