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ADDITIONAL PAID-IN CAPITAL | 12 Months Ended
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Dec. 31, 2017
ADDITIONAL PAID-IN CAPITAL. |
ADDITIONAL PAID-IN CAPITAL | 20. ADDITIONAL PAID-IN CAPITAL The breakdown of additional paid-in capital is as follows:
|  | 2016 |  | 2017
Proceeds from sale of 933,333,000 shares in excess of par value through IPO in 1995 |  | 1,446 |  | 1,446
Excess of value over cost of selling 211,290,500 shares under the treasury stock plan phase I (Note 21) |  | 544 |  | 544
Excess of value over cost of selling 215,000,000 shares under the treasury stock plan phase II (Note 21) |  | 576 |  | 576
Excess of value over cost of treasury stock transferred to employee stock ownership program (Note 21) |  | 228 |  | 228
Excess of value over cost of selling 22,363,000 shares under the treasury stock plan phase III (Note 21) |  | 36 |  | 36
Excess of value over cost of selling 864,000,000 shares under the treasury stock plan phase IV (Note 21) |  | 1,996 |  | 1,996
Capitalization into 746,666,640 Series B shares in 1999 |  | (373) |  | (373)
Net |  | 4,453 |  | 4,453

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