| Revenue | 31/12/2018 | 31/12/2017 | 31/12/2016 | 31/12/2015 |
| Total revenue | 60,080 | 61,483 | 58,704 | 57,280 |
| Cost of revenue | 29,836 | 30,326 | 27,816 | 28,093 |
| Gross profit | 30,244 | 31,157 | 30,888 | 29,187 |
| Operating expenses |
| Research development | - | - | - | - |
| Selling general and administrative | 14,033 | 14,018 | 14,654 | 15,795 |
| Non-recurring | - | - | - | - |
| Others | 2,062 | 2,130 | 2,395 | 164 |
| Total operating expenses | 45,931 | 46,474 | 44,865 | 44,203 |
| Operating income or loss | 14,149 | 15,009 | 13,839 | 13,077 |
| Income from continuing operations |
| Total other income/expenses net | -3,837 | -3,809 | -2,913 | -7,444 |
| Earnings before interest and taxes | 14,149 | 15,009 | 13,839 | 13,077 |
| Interest expense | -4,228 | -4,498 | -4,644 | -5,124 |
| Income before tax | 10,312 | 11,200 | 10,926 | 5,633 |
| Income tax expense | 3,370 | 3,629 | 3,191 | 2,740 |
| Minority interest | - | - | - | - |
| Net income from continuing ops | 6,942 | 7,571 | 7,735 | 2,893 |
| Non-recurring events |
| Discontinued operations | - | - | - | - |
| Extraordinary items | - | - | - | - |
| Effect of accounting changes | - | - | - | - |
| Other items | - | - | - | - |
| Net income |
| Net income | 6,942 | 7,571 | 7,735 | 2,893 |
| Preferred stock and other adjustments | - | - | - | - |
| Net income applicable to common shares | 6,942 | 7,571 | 7,735 | 2,893 |