| （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 | 14,630 | 15,659 | 16,547 | 18,083 | 17,649 | 17,002 | 18,350 | 19,008 | 19,449 | 29,056 | 29,910 | 31,793 | 34,422 | 34,828 |
| 売上原価 | - | - | - | - | - | - | - | 15,935 | 16,310 | 24,330 | 24,918 | 25,965 | 28,209 | 28,626 |
| 売上総利益 | - | - | - | 2,960 | 2,880 | 2,932 | 3,103 | 3,073 | 3,139 | 4,726 | 4,991 | 5,828 | 6,213 | 6,202 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 2,500 | 2,519 | 2,603 | 2,718 | 2,754 | 2,873 | 4,216 | 4,227 | 4,540 | 4,791 | 4,913 |
| 営業利益 | - | - | - | 459 | 360 | 329 | 385 | 318 | 265 | 510 | 763 | 1,287 | 1,421 | 1,288 |
| 経常（税引前）利益 | 285 | 335 | 449 | 529 | 422 | 390 | 455 | 406 | 477 | 628 | 938 | 1,431 | 1,574 | 1,501 |
| 法人税等合計 | - | - | - | 230 | 161 | 147 | 150 | 154 | 150 | 230 | 337 | 468 | 506 | 486 |
| 純利益 | 87 | 199 | 244 | 304 | 264 | 242 | 291 | 250 | 494 | 297 | 601 | 963 | 1,068 | 1,091 |
| 一株あたり利益 | 10.72 | 24.33 | 29.83 | 37.11 | 32.25 | 29.63 | 355.88 | 306.19 | 603.71 | 132.2 | 306.33 | 522.19 | 594.96 | 296.19 |
| 一株あたり配当金 | 4 | 4 | 5 | 6 | 8 | 8 | 80 | 90 | 100 | 110 | 70 | 80 | 110 | 68 |