Note 23. Earnings per Share
Basic earnings per share amounts are calculated by dividing consolidated net income for the year attributable to controlling interest by the weighted average number of shares outstanding during the period adjusted for the weighted average of own shares purchased in the period.
Diluted earnings per share amounts are calculated by dividing consolidated net income for the year attributable to controlling interest by the weighted average number of shares outstanding during the period adjusted for the effects of dilutive potential shares (originated by the Company’s share based payment program).
| 2017 | 2016 | 2015 | ||||||||||||||||||||||
| Per Series “B” Shares |
Per Series “D” Shares |
Per Series “B” Shares |
Per Series “D” Shares |
Per Series “B” Shares |
Per Series “D” Shares |
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Shares expressed in millions: |
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Weighted average number of shares for basic earnings per share |
9,243.14 | 8,631.57 | 9,242.48 | 8,628.97 | 9,241.91 | 8,626.69 | ||||||||||||||||||
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Effect of dilution associated with non-vested shares for share based payment plans |
3.29 | 13.14 | 3.94 | 15.74 | 4.51 | 18.02 | ||||||||||||||||||
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Weighted average number of shares adjusted for the effect of dilution (Shares outstanding) |
9,246.42 | 8,644.71 | 9,246.42 | 8,644.71 | 9,246.42 | 8,644.71 | ||||||||||||||||||
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Dividend rights per series (see Note 22.1) |
100 | % | 125 | % | 100 | % | 125 | % | 100 | % | 125 | % | ||||||||||||
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Weighted average number of shares further adjusted to reflect dividend rights |
9,246.42 | 10,805.89 | 9,246.42 | 10,805.89 | 9,246.42 | 10,805.89 | ||||||||||||||||||
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Allocation of earnings, weighted |
46.11 | % | 53.89 | % | 46.11 | % | 53.89 | % | 46.11 | % | 53.89 | % | ||||||||||||
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Net Controlling Interest Income Allocated |
Ps. | 19,555 | Ps. | 22,853 | Ps. | 9,748 | Ps. | 11,392 | Ps. | 8,154 | Ps. | 9,529 | ||||||||||||
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