| （単位：百万円） | 2011/12 | 2012/12 | 2013/12 | 2014/12 | 2015/12 | 2016/12 | 2017/12 | 2018/12 | 2019/12 | 2020/12 | 2021/12 | 2022/12 | 2023/12 | 2024/12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 81,420 | 90,904 | 93,499 | 99,777 | 94,816 | 80,984 | 83,897 | 87,732 | 95,042 | 88,682 | 89,711 | 118,757 | 122,853 | 115,609 |
| 売上原価 | - | - | - | 63,342 | 55,931 | 42,703 | 44,822 | 49,606 | 54,079 | 46,907 | 53,500 | 83,795 | 86,446 | 80,704 |
| 売上総利益 | - | - | - | 36,435 | 38,884 | 38,281 | 39,075 | 38,126 | 40,963 | 41,775 | 36,211 | 34,962 | 36,407 | 34,904 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業利益 | - | - | - | 4,202 | 6,384 | 5,950 | 5,687 | 4,741 | 6,573 | 6,346 | 1,870 | 39 | 1,704 | 1,339 |
| 経常（税引前）利益 | 3,790 | 3,771 | 4,000 | 4,526 | 6,802 | 6,379 | 6,199 | 5,274 | 7,167 | 7,064 | 2,610 | 726 | 2,431 | 2,266 |
| 法人税等合計 | - | - | - | 1,584 | 2,239 | 2,198 | 1,793 | 1,559 | 2,065 | 2,002 | 770 | 251 | 85 | 492 |
| 純利益 | 704 | 2,239 | 2,608 | 2,856 | 4,440 | 4,097 | 4,374 | 3,791 | 5,023 | 5,062 | 1,839 | 297 | 1,597 | 1,740 |
| 一株あたり利益 | 13.12 | 41.74 | 48.62 | 53.25 | 82.79 | 74.58 | 79.86 | 344.3 | 457.6 | 459.39 | 161.85 | 20.45 | 136.24 | 50.49 |
| 一株あたり配当金 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 30 | 55 | 55 | 60 | 60 | 60 | 65 |