| （単位：百万円） | 2011/12 | 2012/12 | 2013/12 | 2014/12 | 2015/12 | 2016/12 | 2017/12 | 2018/12 | 2019/12 | 2020/12 | 2021/12 | 2022/12 | 2023/12 | 2024/12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 12,253 | 15,369 | 18,924 | 23,743 | 28,112 | 30,494 | 31,962 | 34,005 | 34,538 | 34,520 | 34,525 | 16,629 | 14,904 | 12,998 |
| 売上原価 | - | - | - | 17,163 | 21,310 | 23,674 | 24,967 | 27,216 | 28,442 | 28,586 | 28,369 | 9,430 | 8,574 | 7,023 |
| 売上総利益 | - | - | - | 6,580 | 6,802 | 6,820 | 6,995 | 6,789 | 6,096 | 5,933 | 6,156 | 7,199 | 6,330 | 5,974 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 5,924 | 6,504 | 6,556 | 6,452 | 6,281 | 5,651 | 5,568 | 5,668 | 6,488 | 6,356 | 5,834 |
| 営業利益 | - | - | - | 656 | 297 | 264 | 542 | 507 | 445 | 365 | 487 | 710 | -26 | 139 |
| 経常（税引前）利益 | 430 | 764 | 653 | 650 | 389 | 275 | 558 | 561 | 505 | 573 | 542 | 746 | 180 | 151 |
| 法人税等合計 | - | - | - | 205 | 251 | 181 | 83 | 384 | 182 | 115 | 219 | 307 | 135 | 106 |
| 純利益 | 238 | 357 | 180 | 420 | -101 | 1 | 178 | 267 | 254 | 277 | 346 | 404 | 45 | 7 |
| 一株あたり利益 | 3219.21 | 24.47 | 12.28 | 25.72 | -6.15 | -1.29 | 9.9 | 14.35 | 14.92 | 16.26 | 20.52 | 24.98 | 2.5 | -0.3 |
| 希薄化後一株あたり利益 | - | 24.26 | 12.15 | 25.47 | 4.68 | -2.65 | 9.88 | 14.33 | 14.9 | 16.24 | 20.5 | 24.85 | 2.5 | - |
| 配当性向（%） | - | - | - | - | - | - | - | - | - | |||||
| 一株あたり配当金 | 1150 | 1713 | 4.3 | 9.01 | - | - | 5 | 7.2 | 7.5 | 8.2 | 10.9 | 12.5 | 1.3 | 6.9 |