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Net income (loss) per common share (Tables) | 12 Months Ended
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Dec. 31, 2021
Earnings per share [abstract] |
Earnings per share reconciliation | A reconciliation of the numerator used for the purposes of calculating diluted net income (loss) per common share is as follows:
For the years ended December 31 | 2021 | 2020
Numerator for basic net income (loss) per common share | $ | 482,358 |  | $ | (156,678) |
Adjustment for the effect of TSARs: |  |
Cash-settled recovery included in net income (loss) | (9,168) |  | — |
Equity-settled expense | (5,742) |  | — |
Numerator for diluted net income (loss) per common share | $ | 467,448 |  | $ | (156,678) |
A reconciliation of the denominator used for the purposes of calculating basic and diluted net income (loss) per common share is as follows:
For the years ended December 31 | 2021 | 2020
Denominator for basic net income (loss) per common share | 76,039,118 |  | 76,196,395 |
Effect of dilutive stock options | 7,028 |  | — |
Effect of dilutive TSARS | 197,631 |  | — |
Denominator for diluted net income (loss) per common share | 76,243,777 |  | 76,196,395 |
For the years ended December 31, 2021 and 2020, basic and diluted net income (loss) per common share attributable to Methanex shareholders were as follows:
For the years ended December 31 | 2021 | 2020
Basic net income (loss) per common share | $ | 6.34 |  | $ | (2.06) |
Diluted net income (loss) per common share | $ | 6.13 |  | $ | (2.06) |

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