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A重油単価推移 重油価格高騰対策
平成15年 47.71 円/1L
16 55.87
17 71.70
18 78.91
19 85.94
20 101.68
21 72.47
22 82.35
23 93.30
24 95.50
25 100.71
26 100.66
27 76.01
28 39.97
29 82.50
30 97.01
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