| Revenue | 31/12/2018 | 31/12/2017 | 31/12/2016 | 31/12/2015 |
| Total revenue | 269,748 | 280,270 | 275,501 | 263,205 |
| Cost of revenue | 31,226 | 31,869 | 31,496 | 32,247 |
| Gross profit | 238,522 | 248,401 | 244,005 | 230,958 |
| Operating expenses |
| Research development | - | - | - | - |
| Selling general and administrative | 55,854 | 57,905 | 58,879 | 57,405 |
| Non-recurring | - | - | - | - |
| Others | -8,615 | -12,825 | -16,746 | -20,480 |
| Total operating expenses | 86,628 | 88,748 | 88,941 | 87,935 |
| Operating income or loss | 183,120 | 191,522 | 186,560 | 175,270 |
| Income from continuing operations |
| Total other income/expenses net | -18,296 | 5,788 | 92,533 | 191,544 |
| Earnings before interest and taxes | 183,120 | 191,522 | 186,560 | 175,270 |
| Interest expense | -69,574 | -67,655 | -63,466 | -63,434 |
| Income before tax | 164,824 | 197,310 | 279,093 | 366,814 |
| Income tax expense | 10,236 | 17,156 | 21,306 | 27,966 |
| Minority interest | 428,610 | 2,133 | 2,140 | 2,108 |
| Net income from continuing ops | 154,588 | 180,154 | 257,787 | 338,848 |
| Non-recurring events |
| Discontinued operations | - | - | - | - |
| Extraordinary items | - | - | - | - |
| Effect of accounting changes | - | - | - | - |
| Other items | - | - | - | - |
| Net income |
| Net income | 153,630 | 180,078 | 257,681 | 338,723 |
| Preferred stock and other adjustments | - | - | - | - |
| Net income applicable to common shares | 146,160 | 172,608 | 250,191 | 337,495 |