Table A4: Estimates of Annual Domestic Commodity Inflows to Ohio

Table A4: Estimates of Annual Domestic Commodity Inflows to Ohio

Excluding energy1

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Commodity Observed
inflows
(000s of metric tons)
Estimated
inflows
(000s of metric tons)
Percentage
error
Distance
ratio2
Apparel or other finished textile products 300 285 -5.2 0.8
Chemicals or allied products 12,893 9,612 -25.5 0.9
Clay, concrete, glass, or stone products 4,594 3,908 -14.9 0.9
Electrical machinery, equipment, or supplies 707 697 -1.5 0.9
Fabricated metal products 1,483 1,192 -19.6 0.7
Farm products 2,306 2,585 12.1 0.5
Food or kindred products 20,585 13,676 -33.6 0.7
Forest and fishing products 23 12 -50.0 0.9
Furniture or fixtures 440 361 -18.1 0.7
Instruments, photographic goods, optical goods, watches, or clocks 161 88 -45.2 0.9
Leather or leather products 23 34 45.3 0.8
Lumber or wood products, excluding furniture 3,655 2,919 -20.1 0.8
Machinery, excluding electrical 918 648 -29.4 0.9
Miscellaneous products or manufacturing 323 326 1.0 0.9
Ordnance or accessories 15 10 -32.6 N/A
Primary metal products 6,013 3,812 -36.6 0.9
Pulp, paper, or allied products 7,506 5,872 -21.8 0.8
Rubber or miscellaneous plastics products 1,138 1,022 -10.2 0.8
Textile mill products 323 280 -13.3 0.8
Tobacco products, excluding insecticides 43 14 -66.8 0.6
Transportation equipment 1,265 1,408 11.3 1.0
Waste or scrap materials 1,117 882 -21.0 1.6
Total, all commodities 65,831 49,641 -24.6 0.7
Weighted average error: 25.9%
Mean absolute error: 24.3%

1 Energy commodities include mining, petroleum, and coal products.

2 Distance ratio is the average shipment distance for the commodity to the state divided by the national average.

Key: N/A not applicable.

Note: Observed inflows are obtained from the 1993 Commodity Flow survey. Estimates are derived from the inflows to the five-state Great Lakes Region (Illinois, Indiana, Michigan, Ohio, and Wisconsin).