| （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 | 12,070 | 13,293 | 14,301 | 14,016 | 14,240 | 14,681 | 15,872 | 16,415 | 16,194 | 16,071 | 16,727 | 16,249 | 17,543 | 18,825 |
| 営業費用 | - | - | - | 1,667 | 1,796 | 1,902 | 1,962 | 2,117 | 2,048 | 2,085 | 2,126 | 2,272 | 2,523 | 2,770 |
| 営業利益 | - | - | - | 303 | 332 | 204 | 249 | 178 | 441 | 692 | 815 | 739 | 561 | 813 |
| 経常（税引前）利益 | 330 | 206 | 244 | 298 | 201 | 125 | 284 | 86 | 450 | 623 | 814 | 802 | 588 | 935 |
| 法人税等合計 | - | - | - | 192 | 197 | 128 | 165 | 50 | 188 | 270 | 232 | 266 | 136 | 315 |
| 純利益 | 33 | 1 | 6 | 166 | 82 | 166 | -77 | -611 | 224 | 371 | 508 | 543 | 383 | 506 |
| 一株あたり利益 | 26.68 | 14.51 | 24.68 | 32.43 | 14.29 | 31.24 | -20.07 | -132.75 | 43.05 | 67.81 | 95.05 | 102.99 | 76.7 | 101.65 |
| 希薄化後一株あたり利益 | - | - | 24.6 | 32.23 | 14.2 | 31.1 | - | - | 42.92 | 67.54 | 94.91 | - | - | - |
| 配当性向（%） | - | - | - | - | - | - | - | - | - | - | - | |||
| 一株あたり配当金 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 15 | 15 | 15 | 15 | 15 |