Average Duration of Utility Coal Supply Contracts Between Supply and Demand Regions, 1979, 1987, 1995, and 1997 (Years)
Year Supply Region Demand Region U.S. Total
Northeast Midwest South West
1979 Appalachia 16.0 21.8 16.4 -- 14.8
Interior -- 21.2 21.5 -- 19.2
Western -- 21.0 28.4 31.4 24.4
U.S. 16.0 21.3 18.7 31.4 21.4
1987 Appalachia 11.5 21.1 15.9 -- 14.8
Interior -- 20.9 25.1 -- 19.2
Western -- 26.0 30.9 35.4 24.4
U.S. 11.5 22.8 20.2 35.4 22.9
1995 Appalachia 11.3 14.7 16.0 -- 14.8
Interior -- 18.6 20.4 -- 19.2
Western -- 19.6 21.9 34.3 24.4
U.S. 11.3 18.3 17.8 34.3 20.1
1997 Appalachia 11.5 15.4 11.5 -- 12.4
Interior -- 13.2 15.4 -- 13.9
Western -- 15.6 17.8 34.0 19.4
U.S. 11.5 15.2 13.6 34.0 15.9

--=Not applicable.
Note: Import records are excluded.
Source: Energy Information Administration, Coal Transportation Rate Database.

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