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CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands | Common Shares Outstanding | Stock Options | Contributed Surplus | Deficit | Accumulated Other Comprehensive Income | Total
--- | --- | --- | --- | --- | --- | ---
Balance at the beginning of the year at Dec. 31, 2015 | $ 4,707,940 | $ 216,232 | $ 37,254 | $ (823,734) | $ 3,328 | $ 4,141,020
Balance at the beginning of the year (in Shares) at Dec. 31, 2015 | 217,650,795 |  |  |  |  |
Net income |  |  |  | 158,824 |  | 158,824
Other comprehensive income (loss) |  |  |  | 688 | 28,799 | 29,487
Total comprehensive income (loss) |  |  |  | 159,512 | 28,799 | 188,311
Shares issued under employee stock option plan (notes 16 and 18(a)) | $ 245,128 | (53,025) |  |  |  | 192,103
Shares issued under employee stock option plan (notes 16 and 18(a))( in shares) | 6,492,907 |  |  |  |  |
Stock options (notes 16 and 18(a)) |  | 16,645 |  |  |  | 16,645
Shares issued under incentive share purchase plan (note 18(b)) | $ 15,443 |  |  |  |  | 15,443
Shares issued under incentive share purchase plan (note 18(b)) (in Shares) | 344,778 |  |  |  |  |
Shares issued under dividend reinvestment plan | $ 8,893 |  |  |  |  | 8,893
Shares issued under dividend reinvestment plan (in Shares) | 224,732 |  |  |  |  |
Shares issued under flow through share private placement (note 16) | $ 13,593 |  |  |  |  | 13,593
Shares issued under flow through share private placement (note 16) (in shares) | 374,869 |  |  |  |  |
Dividends declared |  |  |  | (80,231) |  | (80,231)
Restricted Share Unit plan, Performance Share Unit plan, and Long Term Incentive Plan (note 16 and 18(c,d)) | $ (3,303) |  |  |  |  | (3,303)
Restricted Share Unit plan, Performance Share Unit plan, and Long Term Incentive Plan (note 16 and 18(c,d)) (in shares) | (122,941) |  |  |  |  |
Balance at the end of the year at Dec. 31, 2016 | $ 4,987,694 | 179,852 | 37,254 | (744,453) | 32,127 | 4,492,474
Balance at the end of the year (in Shares) at Dec. 31, 2016 | 224,965,140 |  |  |  |  |
Net income |  |  |  | 243,887 |  | 243,887
Other comprehensive income (loss) |  |  |  | (1,373) | (1,779) | (3,152)
Total comprehensive income (loss) |  |  |  | 242,514 | (1,779) | 240,735
Shares issued under employee stock option plan (notes 16 and 18(a)) | $ 56,802 | (12,603) |  |  |  | 44,199
Shares issued under employee stock option plan (notes 16 and 18(a))( in shares) | 1,538,729 |  |  |  |  |
Stock options (notes 16 and 18(a)) |  | 19,505 |  |  |  | 19,505
Shares issued under incentive share purchase plan (note 18(b)) | $ 17,379 |  |  |  |  | 17,379
Shares issued under incentive share purchase plan (note 18(b)) (in Shares) | 382,663 |  |  |  |  |
Shares issued under dividend reinvestment plan | $ 17,816 |  |  |  |  | 17,816
Shares issued under dividend reinvestment plan (in Shares) | 402,877 |  |  |  |  |
Equity issuance (net of transaction costs) (note 16) | $ 215,013 |  |  |  |  | 215,013
Equity issuance (net of transaction costs) (note 16) (in shares) | 5,003,412 |  |  |  |  |
Dividends declared |  |  |  | (93,858) |  | (93,858)
Restricted Share Unit plan, Performance Share Unit plan, and Long Term Incentive Plan (note 16 and 18(c,d)) | $ (6,272) |  |  |  |  | (6,272)
Restricted Share Unit plan, Performance Share Unit plan, and Long Term Incentive Plan (note 16 and 18(c,d)) (in shares) | (42,380) |  |  |  |  |
Balance at the end of the year at Dec. 31, 2017 | $ 5,288,432 | $ 186,754 | $ 37,254 | $ (595,797) | $ 30,348 | $ 4,946,991
Balance at the end of the year (in Shares) at Dec. 31, 2017 | 232,250,441 |  |  |  |  |

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