Table A6: Estimates of Annual Domestic Commodity Inflows to California

Table A6: Estimates of Annual Domestic Commodity Inflows to California

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 506 622 23.0 1.6
Chemicals or allied products 8,252 10,022 21.5 1.4
Clay, concrete, glass, or stone products 1,945 3,304 69.9 1.0
Electrical machinery, equipment, or supplies 1,440 1,516 5.3 1.5
Fabricated metal products 1,605 1,880 17.1 1.2
Farm products 6,372 7,212 13.2 0.9
Food or kindred products 18,437 21,967 19.1 1.9
Forest and fishing products 8 8 -1.6 N/A
Furniture or fixtures 602 679 12.8 1.4
Instruments, photographic goods, optical goods, watches, or clocks 370 336 -9.2 1.7
Leather or leather products 104 98 -5.8 1.6
Lumber or wood products, excluding furniture 2,116 3,165 49.6 1.6
Machinery, excluding electrical 994 1,190 19.8 1.5
Miscellaneous products or manufacturing 535 574 7.3 1.6
Ordnance or accessories 6 5 -12.4 N/A
Primary metal products 4,638 4,878 5.2 1.7
Pulp, paper, or allied products 5,087 5,299 4.2 1.2
Rubber or miscellaneous plastics products 1,529 1,688 10.4 1.2
Textile mill products 896 975 8.8 1.6
Tobacco products, excluding insecticides 22 19 -12.4 3.1
Transportation equipment 2,544 2,639 3.7 1.7
Waste or scrap materials 122 347 184.9 0.7
Total, all commodities 58,130 68,425 17.7 1.6
Weighted average error: 17.9%
Mean absolute error: 23.5%

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 the six-state West Coast Region (California, Nevada, Oregon, Washington, Alaska, and Hawaii).