YEAR  IMPORT DOPROD  STOCK  CONSUM
49    15.9   149.3    4.2   108.1
50    16.4   161.2    4.1   114.8
51    19.0   171.5    3.1   123.2
52    19.1   175.5    3.1   126.9
53    18.8   180.8    1.1   132.1
54    20.4   190.7    2.2   137.7
55    22.7   202.1    2.1   146.0
56    26.5   212.4    5.6   154.1
57    28.1   226.1    5.0   162.3
58    27.6   231.9    5.1   164.3
59    26.3   239.0    0.7   167.6