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Equity (Details) - PEN (S/) S/ / shares in Units, S/ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Cash dividends on ordinary shares declared and paid |  |  |
Dividend for 2017: S/0.35000 per share (2016: S/0.28500 per share, 2015: S/0.28000 per share) | S/ 149,837 | S/ 155,236 | S/ 162,950
Dividend declared and paid per shares | S/ 0.35000 | S/ 0.28500 | S/ 0.28000

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