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Note: Return on investment (ROI) = net income (excluding unallocated items) as a percent of net property, plant, and equipment and investments and advances.
Source: Energy Information Administration, Form EIA-28 (Financial Reporting System).
Last Updated on May 16, 2003.
File name: http://www.eia.doe.gov/emeu/perfpro/ref_pi2/fig1.html
By Financial Analysis Team, Office of Energy Markets and End Use, Energy Information Administration
Email: jon.rasmussen@eia.doe.gov