2010

2009

2008

Profit for the period (A):(1) 

$

2,700

$

895

$

3,557

Determination of shares (in millions):

Weighted average number of common shares outstanding (B)

631.5

615.2

610.5

Shares issuable on exercise of stock awards, net of shares assumed to be purchased out of proceeds at average market price

18.9

10.8

17.4

Average common shares outstanding for fully diluted computation (C)

650.4

626.0

627.9

Profit per share of common stock:

Assuming no dilution (A/B)

$

4.28

$

1.45

$

5.83

Assuming full dilution (A/C)

$

4.15

$

1.43

$

5.66

Shares outstanding as of December 31 (in millions)

638.8

624.7

601.5