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Consolidated statement of shareholders' equity - CAD ($) $ in Millions | Total | Common shares at stated value (note 11) | Earnings reinvested | Accumulated other comprehensive income (loss) (note 18)
--- | --- | --- | --- | ---
At beginning of year at Dec. 31, 2016 |  | $ 1,566 | $ 25,352 | $ (1,897)
Net income (loss) for the year | $ 490 |  | 490 |
Issued under the stock option plan |  |  |  |
Share purchases at stated value |  | (30) |  |
Share purchases in excess of stated value |  |  | (597) |
Dividends declared |  |  | (531) |
Other comprehensive income (loss) | 82 |  |  | 82
At end of year at Dec. 31, 2017 | 24,435 | 1,536 | 24,714 | (1,815)
Net income (loss) for the year | 2,314 |  | 2,314 |
Issued under the stock option plan |  |  |  |
Share purchases at stated value |  | (90) |  |
Share purchases in excess of stated value |  |  | (1,881) |
Dividends declared |  |  | (587) |
Other comprehensive income (loss) | 298 |  |  | 298
At end of year at Dec. 31, 2018 | 24,489 | 1,446 | 24,560 | (1,517)
Net income (loss) for the year | 2,200 |  | 2,200 |
Issued under the stock option plan |  | 0 |  |
Share purchases at stated value |  | (71) |  |
Share purchases in excess of stated value |  |  | (1,302) |
Dividends declared |  |  | (646) |
Other comprehensive income (loss) | (394) |  |  | (394)
At end of year at Dec. 31, 2019 | $ 24,276 | $ 1,375 | $ 24,812 | $ (1,911)

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