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Combined Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2017
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Summary of Computation of Earnings Per Share | Earnings per share for total operations for the 12 months were as follows:
|  |  |  |  |  |  |  | € |  |  | € |  |  | € |
|  |  |  |  |  |  |  | 2017 |  |  | 2016 |  |  | 2015 |
Basic earnings per share |  |  |  |  |  |  |  |  |  |  | 2.16 |  |  |  | 1.83 |  |  |  | 1.73 |
Diluted earnings per share |  |  |  |  |  |  |  |  |  |  | 2.15 |  |  |  | 1.82 |  |  |  | 1.72 |
Underlying earnings per share |  |  |  |  |  |  |  |  |  |  | 2.24 |  |  |  | 2.03 |  |  |  | 1.93 |
|  |  |  |  |  |  |  | Millions of share units |
Calculation of average number of share units |  |  |  |  |  |  |  | 2017 |  |  | 2016 |  |  | 2015 |
Average number of shares: NV |  |  |  |  |  |  |  |  |  |  | 1,714.7 |  |  |  | 1,714.7 |  |  |  | 1,714.7 |
PLC |  |  |  |  |  |  |  |  |  |  | 1,310.2 |  |  |  | 1,310.2 |  |  |  | 1,310.2 |
Less treasury shares held by employee share trusts and companies |  |  |  |  |  |  |  |  |  |  | (223.3 | ) |  |  | (184.7 | ) |  |  | (184.8 | )
Combined average number of share units - used for basic earnings per share |  |  |  |  |  |  |  |  |  |  | 2,801.6 |  |  |  | 2,840.2 |  |  |  | 2,840.1 |
Add dilutive effect of share-based compensation plans |  |  |  |  |  |  |  |  |  |  | 12.4 |  |  |  | 13.7 |  |  |  | 15.3 |
Diluted combined average number of share units – used for diluted and underlying earnings per share |  |  |  |  |  |  |  |  |  |  | 2,814.0 |  |  |  | 2,853.9 |  |  |  | 2,855.4 |
Calculation of earnings |  | Notes |  |  |  |  |  | € million 2017 |  |  | € million 2016 |  |  | € million 2015 |
Net profit |  |  |  |  |  |  |  |  |  |  | 6,486 |  |  |  | 5,547 |  |  |  | 5,259 |
Non-controlling interests |  |  |  |  |  |  |  |  |  |  | (433 | ) |  |  | (363 | ) |  |  | (350 | )
Net profit attributable to shareholders’ equity – used for basic and diluted earnings per share |  |  |  |  |  |  |  |  |  |  | 6,053 |  |  |  | 5,184 |  |  |  | 4,909 |
Post tax impact of non-underlying items |  |  | 3 |  |  |  |  |  |  |  | 262 |  |  |  | 601 |  |  |  | 605 |
Underlying profit attributable to shareholders’ equity – used for underlying earnings per share |  |  |  |  |  |  |  |  |  |  | 6,315 |  |  |  | 5,785 |  |  |  | 5,514 |

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