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Other Financial Assets (Tables) | 12 Months Ended
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Dec. 31, 2021
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Summary of Other Financial Assets |
|  | December 31 |
|  | 2020 |  |  |  |  |  | 2021 |
|  | NT$ |  |  |  |  |  | NT$ |  |  |  |  |  | US$ (Note 4) |
Guarantee deposits |  | $ | 516,505 |  |  |  |  |  |  | $ | 1,007,651 |  |  |  |  |  |  | $ | 36,325 |
Pledged time deposits (Note 36) |  |  | 367,550 |  |  |  |  |  |  |  | 415,065 |  |  |  |  |  |  |  | 14,963 |
Time deposits with original maturity over three months |  |  | 35,988 |  |  |  |  |  |  |  | 60,499 |  |  |  |  |  |  |  | 2,181 |
Others (Note 36) |  |  | 161,957 |  |  |  |  |  |  |  | 73,765 |  |  |  |  |  |  |  | 2,659 |
|  |  | 1,082,000 |  |  |  |  |  |  |  | 1,556,980 |  |  |  |  |  |  |  | 56,128 |
Current |  |  | 551,655 |  |  |  |  |  |  |  | 140,857 |  |  |  |  |  |  |  | 5,078 |
Non-current |  | $ | 530,345 |  |  |  |  |  |  | $ | 1,416,123 |  |  |  |  |  |  | $ | 51,050 |

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