| （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 | 207,977 | 199,136 | 190,966 | 193,936 | 192,584 | 187,420 | 180,916 | 183,645 | 182,402 | 175,963 | 177,793 | 187,883 | 190,104 | 210,180 |
| 営業費用 | - | - | - | 517 | 528 | 619 | 553 | 565 | 534 | 519 | 459 | 443 | 525 | 765 |
| 営業利益 | - | - | - | 7,119 | 7,988 | 15,815 | 4,623 | 8,159 | 855 | 7,279 | 7,178 | 6,386 | 10,390 | 10,551 |
| 経常（税引前）利益 | 38,865 | 29,332 | 49,448 | 48,140 | 46,425 | 39,477 | 31,792 | 35,318 | 31,685 | 32,224 | 30,281 | 26,392 | 23,278 | 51,621 |
| 法人税等合計 | - | - | - | 18,592 | 16,981 | 10,360 | 9,681 | 9,541 | 10,199 | 9,579 | 12,547 | 4,174 | 2,507 | 14,362 |
| 純利益 | 7,319 | 7,581 | 5,880 | 28,314 | 28,936 | 28,192 | 21,356 | 24,477 | 20,393 | 21,598 | 20,685 | 21,557 | 23,292 | 39,377 |
| 一株あたり利益 | 9 | 12.19 | 19.2 | 19.87 | 20.31 | 201.36 | 149.4 | 173.5 | 142.74 | 152.17 | 147.47 | 159.18 | 176.99 | 311.56 |
| 希薄化後一株あたり利益 | - | 12.19 | 19.18 | 19.84 | 20.29 | 201.04 | 149.1 | 173.12 | 142.37 | 151.68 | 146.95 | 158.63 | 176.28 | 310.29 |
| 配当性向（%） | - | - | - | - | - | - | - | - | ||||||
| 一株あたり配当金 | 3.75 | 3.75 | 4 | 4.25 | 4.25 | 44 | 44 | 44 | 40 | 35 | 35 | 37 | 40 | 50 |