| （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 | 6,839 | 6,769 | 6,891 | 6,998 | 8,084 | 8,858 | 10,166 | 10,191 | 10,442 | 12,487 | 14,289 | 13,173 | 13,647 | 13,518 |
| 売上原価 | - | - | - | 5,672 | 6,322 | 7,021 | 7,837 | 8,011 | 8,237 | 9,082 | 10,096 | 9,939 | 10,540 | 10,025 |
| 売上総利益 | - | - | - | 1,328 | 1,756 | 1,847 | 2,315 | 2,193 | 2,196 | 3,411 | 4,192 | 3,236 | 3,092 | 3,498 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 1,246 | 1,378 | 1,451 | 1,702 | 1,765 | 1,760 | 1,995 | 2,201 | 2,130 | 2,385 | 2,399 |
| 営業利益 | - | - | - | 82 | 378 | 396 | 612 | 427 | 435 | 1,414 | 1,991 | 1,105 | 707 | 1,098 |
| 経常（税引前）利益 | 178 | 275 | 155 | 202 | 514 | 514 | 747 | 586 | 585 | 1,562 | 2,196 | 1,396 | 1,010 | 1,529 |
| 法人税等合計 | - | - | - | 64 | 210 | 179 | 230 | 175 | 173 | 425 | 634 | 382 | 286 | 398 |
| 純利益 | 48 | 173 | 107 | 138 | 303 | 331 | 517 | 410 | 405 | 1,136 | 1,584 | 1,017 | 731 | 1,137 |
| 一株あたり利益 | 5.38 | 19.34 | 11.91 | 15.33 | 33.57 | 36.93 | 58.08 | 45.97 | 45.33 | 114.29 | 153.03 | 99.08 | 70.85 | 109.75 |
| 希薄化後一株あたり利益 | - | - | 11.9 | 15.32 | 33.55 | - | 57.98 | 45.88 | - | 113.5 | 152.39 | 98.92 | 70.76 | - |
| 配当性向（%） | - | - | - | - | - | - | - | - | - | - | ||||
| 一株あたり配当金 | 8 | 10 | 10 | 10 | 13 | 15 | 20 | 20 | 22 | 33 | 50 | 60 | 60 | 50 |