Table A3: Estimates of Annual Domestic Commodity Inflows to Pennsylvania

Table A3: Estimates of Annual Domestic Commodity Inflows to Pennsylvania

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 254 232 -9.9 0.8
Chemicals or allied products 7,125 5,819 -22.4 0.9
Clay, concrete, glass, or stone products 3,046 2,579 -18.1 0.7
Electrical machinery, equipment, or supplies 675 604 -11.7 N/A
Fabricated metal products 1,511 1,541 1.9 0.8
Farm products 1,523 3,788 59.8 0.7
Food or kindred products 12,683 10,131 -25.2 0.8
Forest and fishing products 93 62 -50.1 0.6
Furniture or fixtures 407 380 -7.3 N/A
Instruments, photographic goods, optical goods, watches, or clocks 92 98 6.1 N/A
Leather or leather products 28 23 -22.9 0.8
Lumber or wood products, excluding furniture 2,618 4,073 35.7 0.7
Machinery, excluding electrical 677 558 -21.4 N/A
Miscellaneous products or manufacturing 281 245 -14.7 N/A
Primary metal products 7,860 6,405 -22.7 0.7
Pulp, paper, or allied products 5,724 4,412 -29.7 0.6
Rubber or miscellaneous plastics products 973 920 -5.7 1.0
Textile mill products 553 522 -5.8 0.8
Tobacco products, excluding insecticides 14 15 6.1 0.6
Transportation equipment 1,305 1,432 8.9 N/A
Waste or scrap materials 1,873 703 -166.3 N/A
Total, all commodities 49,315 44,542 -10.7 0.7
Weighted average error: 29.1%
Mean absolute error: 24.1%

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 aplicable.

Note: Observed inflows are obtained from the 1993 Commodity Flow survey. Estimates are derived from the inflows to the five-state Middle Atlantic Region (Delaware, Maryland, New Jersey, New York, and Pennsylvania).