| （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 | 603,790 | 609,836 | 627,797 | 609,380 | 610,153 | 599,569 | 604,804 | 622,567 | 622,916 | 481,645 | 490,919 | 551,504 | 601,121 | 690,720 |
| 営業費用 | - | - | - | 49,713 | 51,237 | 51,966 | 52,051 | 53,911 | 54,974 | 46,739 | 45,855 | 50,515 | 54,125 | 62,376 |
| 営業利益 | - | - | - | 38,072 | 44,864 | 44,180 | 46,976 | 49,455 | 47,363 | -16,354 | 2,932 | 22,731 | 34,750 | 42,076 |
| 経常（税引前）利益 | 24,615 | 28,814 | 34,186 | 35,796 | 44,376 | 46,142 | 48,566 | 51,599 | 49,288 | -8,146 | 13,135 | 26,362 | 37,544 | 47,671 |
| 法人税等合計 | - | - | - | 10,043 | 11,404 | 11,149 | 14,030 | 14,132 | 15,363 | 5,186 | 5,769 | 8,793 | 9,137 | 13,715 |
| 純利益 | 4,150 | 6,037 | 7,785 | 19,739 | 27,968 | 25,792 | 31,386 | 31,987 | 31,974 | -27,712 | 10,300 | 19,840 | 25,409 | 37,733 |
| 一株あたり利益 | 12.51 | 14.48 | 16.95 | 19.67 | 26.68 | 25.49 | 155.04 | 158.9 | 146.89 | -146.29 | 47.65 | 95.91 | 124.13 | 192.12 |
| 希薄化後一株あたり利益 | 11.67 | 13.88 | 15.69 | 17.7 | 23.3 | 22.26 | 136.31 | 144.71 | 137.21 | - | 44.53 | 89.62 | 116.01 | 167.69 |
| 配当性向（%） | - | - | - | - | - | - | - | - | - | |||||
| 一株あたり配当金 | 2 | 3 | 4 | 4.5 | 5 | 5 | 27.5 | 27.5 | 25 | 0 | 12.5 | 20 | 27.5 | 38.5 |