This chart plots the historical trend in
Return on Invested Capital (ROIC).
ROIC is used to evaluate the ability of the company to
create value for all its stakeholders, debt and equity.
ROIC = NOPAT / Average Invested Capital
where NOPAT is defined as Net Operating Profit After Tax
and Average Invested Capital is the average of the
starting and ending Debt + Equity over the same
time-period.