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EARNINGS (LOSSES) PER SHARE | 12 Months Ended
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Dec. 31, 2020
EARNINGS (LOSSES) PER SHARE |
EARNINGS (LOSSES) PER SHARE | 14.EARNINGS (LOSSES) PER SHARE The following table sets forth the computation of basic and diluted earnings (losses) per share for the years indicated: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years Ended December 31,
​ |  | 2018 |  | 2019 |  | 2020
Net income (loss) attributable to ordinary shareholders — basic |  | 716 |  | 1,769 |  | (2,192)
Eliminate the dilutive effect of interest expense of convertible senior notes |  | 40 |  | 40 |  | —
Net income attributable to ordinary shareholders — diluted |  | 756 |  | 1,809 |  | (2,192)
Weighted average ordinary shares outstanding — basic |  | 281,717,485 |  | 284,305,138 |  | 292,739,841
Incremental weighted-average ordinary shares from assumed exercise of share options and nonvested restricted stocks using the treasury stock method |  | 11,463,212 |  | 9,397,527 |  | —
Dilutive effect of convertible senior notes |  | 10,425,112 |  | 10,607,225 |  | —
Weighted average ordinary shares outstanding — diluted |  | 303,605,809 |  | 304,309,890 |  | 292,739,841
Basic earnings (losses) per share |  | 2.54 |  | 6.22 |  | (7.49)
Diluted earnings (losses) per share |  | 2.49 |  | 5.94 |  | (7.49)
​ For the years ended December 31, 2018, 2019 and 2020, the Group had securities which could potentially dilute basic earnings per share in the future, but which were excluded from the computation of diluted earnings per share as their effects would have been anti-dilutive. Such outstanding securities consist of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years Ended December 31,
​ |  | 2018 |  | 2019 | ​ | 2020
Outstanding employee options and nonvested restricted stocks | ​ | 530,009 | ​ | — | ​ | 7,095,408
Shares of convertible senior notes | ​ | — | ​ | — | ​ | 18,327,489
Total |  | 530,009 |  | — |  | 25,422,897
​

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