| （単位：百万円） | 2012/3 | 2013/3 | 2014/3 | 2015/3 | 2016/3 | 2017/3 | 2018/3 | 2019/3 | 2020/3 | 2021/3 | 2022/3 | 2023/3 | 2024/3 | 2025/3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 23,058 | 22,520 | 22,512 | 22,315 | 22,051 | 22,197 | 22,344 | 23,437 | 23,922 | 22,440 | 23,619 | 27,107 | 24,994 | 25,543 |
| 営業費用 | - | - | - | 1,739 | 1,780 | 1,986 | 2,133 | 2,185 | 2,330 | 2,226 | 2,281 | 2,645 | 2,640 | 2,820 |
| 営業利益 | - | - | - | 321 | 430 | 531 | 586 | 690 | 542 | 467 | 784 | 893 | 1,159 | 1,027 |
| 経常（税引前）利益 | 361 | 339 | 393 | 347 | 451 | 546 | 657 | 699 | 549 | 571 | 862 | 958 | 1,233 | 1,179 |
| 法人税等合計 | - | - | - | -111 | 155 | 190 | 243 | 236 | 244 | 281 | 305 | 722 | 238 | 437 |
| 純利益 | 102 | 120 | 178 | -229 | 284 | 383 | 487 | 328 | 244 | 556 | 546 | 1,554 | 863 | 746 |
| 一株あたり利益 | 22.42 | 23.71 | 34.97 | -32.4 | 36.01 | 48.69 | 64.07 | 43.23 | 32.09 | 71.03 | 68.46 | 195.17 | 104.2 | 97.62 |
| 一株あたり配当金 | 10 | 10 | 10 | 10 | 12 | 12 | 16 | 12 | 12 | 15 | 14 | 16 | 23 | 28 |