| （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 | 438,358 | 459,220 | 473,441 | 481,727 | 508,081 | 512,009 | 530,631 | 565,939 | 554,590 | 337,061 | 396,856 | 428,487 | 477,598 | 901,131 |
| 営業費用 | - | - | - | 30,577 | 32,567 | 35,142 | 36,547 | 39,570 | 42,815 | 38,887 | 40,137 | 40,026 | 41,335 | 51,574 |
| 営業利益 | - | - | - | 49,620 | 65,956 | 62,456 | 64,259 | 73,332 | 56,823 | -51,587 | -13,216 | 22,155 | 47,711 | 292,735 |
| 経常（税引前）利益 | 21,235 | 30,733 | 38,111 | 42,099 | 58,525 | 57,472 | 55,490 | 65,415 | 48,770 | -58,785 | -17,440 | 20,133 | 43,000 | 287,639 |
| 法人税等合計 | - | - | - | 5,465 | 8,293 | 10,898 | 7,511 | 14,436 | 13,775 | 427 | 16,462 | 3,680 | 16,111 | 91,359 |
| 純利益 | 14,190 | 3,297 | 3,647 | 34,912 | 57,288 | 47,634 | 43,439 | 45,939 | 4,998 | -72,301 | 12,510 | 58,330 | 27,530 | 258,453 |
| 一株あたり利益 | 24.68 | 45.63 | 53.55 | 102.5 | 167.89 | 149.39 | 136.67 | 145.21 | 15.18 | -241.32 | 35.39 | 188.7 | 89.65 | 901.99 |
| 希薄化後一株あたり利益 | - | - | - | 102.5 | 167.84 | 149.31 | 136.57 | 145.09 | 15.16 | 7.38 | 35.37 | 188.63 | 89.62 | 901.67 |
| 配当性向（%） | - | - | - | - | - | - | - | - | ||||||
| 一株あたり配当金 | 5 | 7 | 6 | 8 | 17 | 23 | 23 | 30 | 30 | 0 | 5 | 25 | 25 | 40 |