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Share-based incentive compensation programs (Tables) | 12 Months Ended
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Dec. 31, 2019
Summarized Information about Incentive Share, Deferred Share and Restricted Stock Units | The following table summarizes information about these units for the year ended December 31, 2019:
|  | Restricted stock units |  |  | Deferred share units |
Outstanding at January 1, 2019 |  |  | 5,302,825 |  |  |  | 151,695 |
Granted |  |  | 854,800 |  |  |  | 18,468 |
Vested / Exercised |  |  | (1,241,280 | ) |  |  | - |
Forfeited and cancelled |  |  | (3,540 | ) |  |  | - |
Outstanding at December 31, 2019 |  |  | 4,912,805 |  |  |  | 170,163 |

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