| （単位：百万円） | 2011/5 | 2012/5 | 2013/5 | 2014/5 | 2015/5 | 2016/5 | 2017/5 | 2018/5 | 2019/5 | 2020/5 | 2021/5 | 2022/5 | 2023/5 | 2024/5 | 2025/5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 37,893 | 38,570 | 30,575 | 34,957 | 39,617 | 39,746 | 40,668 | 42,527 | 41,172 | 39,071 | 33,143 | 30,158 | 31,025 | 32,140 | 40,539 |
| 売上原価 | - | - | - | 26,859 | 30,334 | 30,626 | 31,446 | 34,454 | 33,333 | 30,828 | 25,805 | 23,343 | 23,828 | 23,968 | 29,936 |
| 売上総利益 | - | - | - | 8,097 | 9,282 | 9,119 | 9,221 | 8,072 | 7,839 | 8,242 | 7,338 | 6,815 | 7,197 | 8,171 | 10,603 |
| 売上総利益率（％） | - | - | - | ||||||||||||
| 営業費用 | - | - | - | 7,021 | 7,686 | 7,480 | 7,649 | 7,705 | 7,281 | 7,174 | 6,914 | 6,643 | 6,679 | 7,243 | 8,219 |
| 営業利益 | - | - | - | 1,076 | 1,596 | 1,638 | 1,571 | 366 | 557 | 1,068 | 423 | 171 | 517 | 927 | 2,384 |
| 経常（税引前）利益 | 1,577 | 1,788 | 1,150 | 1,035 | 2,056 | 1,492 | 1,663 | 515 | 495 | 1,207 | 757 | 766 | 987 | 1,487 | 2,584 |
| 法人税等合計 | - | - | - | 386 | 908 | 514 | 533 | 272 | 556 | 571 | 186 | -299 | 330 | 460 | 579 |
| 純利益 | 678 | 785 | 722 | 644 | 1,105 | 889 | 1,174 | 692 | 690 | 1,081 | 977 | -930 | 824 | 935 | 2,128 |
| 一株あたり利益 | 14.86 | 16.29 | 14.98 | 13.37 | 22.94 | 18.47 | 123.87 | 73.33 | 75.27 | 120.98 | 109.38 | -104.02 | 91.85 | 99.53 | 231.29 |
| 一株あたり配当金 | 6 | 6 | 6 | 6 | 6 | 6 | 30 | 50 | 30 | 30 | 30 | 30 | 30 | 30 | 70 |