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Consolidated Statements of Income (Loss) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Profit or loss [abstract] |  |
Revenue | $ 2,649,963 | $ 3,283,514
Cost of sales and operating expenses (note 11) | (2,355,123) | (2,799,937)
Depreciation and amortization (note 11) | (357,129) | (344,127)
Egypt insurance recovery (note 3) | 9,839 | 50,000
Operating income (loss) | (52,450) | 189,450
Earnings of associate (note 6) | 29,577 | 52,218
Finance costs (note 12) | (164,837) | (124,426)
Finance income and other expenses | 278 | 3,598
Income (loss) before income taxes | (187,432) | 120,840
Income tax (expense) recovery (note 16): |  |
Current | (25,196) | (38,809)
Deferred | 87,301 | 34,335
Tax (expense) recovery | 62,105 | (4,474)
Net income (loss) | (125,327) | 116,366
Attributable to: |  |
Methanex Corporation shareholders | (156,678) | 87,767
Non-controlling interests (note 24) | 31,351 | 28,599
Net income (loss) | $ (125,327) | $ 116,366
Income (loss) per common share for the period attributable to Methanex Corporation shareholders: |  |
Basic net income (loss) per common share (note 13) (in usd per share) | $ (2.06) | $ 1.15
Diluted net income (loss) per common share (note 13) (in usd per share) | $ (2.06) | $ 1.01
Weighted average number of common shares outstanding (in shares) | 76,196,395 | 76,592,413
Diluted weighted average number of common shares outstanding (in shares) | 76,196,395 | 76,692,494

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- Definition The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2020-01-01 -Paragraph 70 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2020-en-r&anchor=para_70_b&doctype=Standard -URIDate 2020-01-01 + Details
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