| 2018 | 2019 | 2020 | 2021 | 2022 | |
| Net sales | 331,936 | 313,337 | 310,719 | 366,160 | 373,151 |
| Cost of sales | 189,846 | 179,751 | 175,841 | 199,296 | 202,073 |
| Gross profit | 142,090 | 133,585 | 134,878 | 166,863 | 171,078 |
| Selling, general and administrative expenses | 110,215 | 109,944 | 107,679 | 114,652 | 124,463 |
| Operating income | 31,874 | 23,640 | 27,199 | 52,210 | 46,615 |
| Ratio of operating income to net sales | 9.6% | 7.5% | 8.8% | 14.3% | 12.5% |
| Non-operating income | 791 | 670 | 678 | 1,043 | 2,283 |
| Non-operating expenses | 850 | 1,065 | 688 | 753 | 1,059 |
| Ordinary income | 31815 | 23245 | 27189 | 52500 | 47838 |
| Extraordinary income | - | - | - | 57 | - |
| Extraordinary loss | - | 464 | 3,693 | 1,426 | 1,305 |
| Income before income taxes | 31,815 | 22,781 | 23,496 | 51,131 | 46,533 |
| Income taxes-current | 7,641 | 6,665 | 7,008 | 13,975 | 12,509 |
| Income taxes-deferred | 75 | △ 415 | △ 689 | △ 466 | △ 383 |
| Total income taxes | 7,717 | 6,249 | 6,319 | 13,509 | 12,126 |
| Net income | 24,098 | 16,531 | 17,176 | 37,621 | 34,406 |
| Profit (loss) attributable to non-controlling interests | 64 | 27 | 38 | 64 | 124 |
| Owners of parent | 24,034 | 16,504 | 17,138 | 37,557 | 34,282 |
| Ratio of net income to net sales | 7.2% | 5.3% | 5.5% | 10.3% | 9.2% |