| d. | Production information |
| Years Ended December 31 | ||||||||||||
| Production | 2015 | 2016 | 2017 | |||||||||
| NT$ | NT$ | NT$ | ||||||||||
| (In Millions) | (In Millions) | (In Millions) | ||||||||||
|
Wafer |
$ | 766,228.8 | $ | 861,170.8 | $ | 874,572.6 | ||||||
|
Others |
77,268.6 | 86,767.5 | 102,874.6 | |||||||||
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| $ | 843,497.4 | $ | 947,938.3 | $ | 977,447.2 | |||||||
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