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Earnings Per Share/ADS | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Earnings Per Share/ADS |
17. | EARNINGS PER SHARE/ADS
Basic and diluted earnings per share for each of the years presented are calculated as follows:
|  | Year ended December 31, |
|  | 2019 |  |  | 2020 |  |  | 2021 |
|  | RMB |  |  | RMB |  |  | RMB |  |  | US$ |
Basic earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to ordinary shareholders |  |  | 3,199,966 |  |  |  | 3,405,229 |  |  |  | 2,148,566 |  |  |  | 337,157 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average ordinary shares outstanding |  |  | 474,328,384 |  |  |  | 477,467,268 |  |  |  | 499,861,764 |  |  |  | 499,861,764 |
Basic earnings per share |  |  | 6.75 |  |  |  | 7.13 |  |  |  | 4.30 |  |  |  | 0.67 |
Diluted earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to ordinary shareholders |  |  | 3,199,966 |  |  |  | 3,405,229 |  |  |  | 2,148,566 |  |  |  | 337,157 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average ordinary shares outstanding |  |  | 474,328,384 |  |  |  | 477,467,268 |  |  |  | 499,861,764 |  |  |  | 499,861,764 |
Dilutive effect of share-based awards |  |  | 3,732,604 |  |  |  | 2,219,112 |  |  |  | 619,776 |  |  |  | 619,776 |
Weighted average number of shares outstanding-diluted |  |  | 478,060,988 |  |  |  | 479,686,380 |  |  |  | 500,481,540 |  |  |  | 500,481,540 |
Diluted earnings per share |  |  | 6.69 |  |  |  | 7.10 |  |  |  | 4.29 |  |  |  | 0.67 |
Earnings per ADS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income per ADS – basic (RMB) |  |  | 26.99 |  |  |  | 28.53 |  |  |  | 17.19 |  |  |  | 2.70 |
Net income per ADS – diluted (RMB) |  |  | 26.77 |  |  |  | 28.40 |  |  |  | 17.17 |  |  |  | 2.69 |
The effects of 389,440, 481,828 and 455,824 stock options were excluded from the calculation of diluted earnings per share as their effect would have been anti-dilutive during the years ended December 31, 2019, 2020 and 2021, respectively. The effects of 714,700, 90,536 and 1,407,232 restricted shares were excluded from the calculation of diluted earnings per share as their effect would have been anti-dilutive during the years ended December 31, 2019, 2020 and 2021, respectively.

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