| （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 | 17,378 | 17,674 | 18,062 | 18,190 | 17,108 | 17,604 | 16,717 | 16,136 | 14,972 | 10,242 | 11,823 | 14,241 | 15,027 | 15,701 |
| 売上原価 | - | - | - | 9,530 | 9,328 | 9,345 | 8,884 | 8,405 | 7,739 | 5,655 | 6,221 | 7,022 | 7,197 | 7,648 |
| 売上総利益 | - | - | - | 8,660 | 7,780 | 8,259 | 7,833 | 7,731 | 7,233 | 4,587 | 5,602 | 7,219 | 7,830 | 8,053 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 8,559 | 8,308 | 7,906 | 7,559 | 7,626 | 7,687 | 7,045 | 6,801 | 6,880 | 7,310 | 7,810 |
| 営業利益 | - | - | - | 134 | -471 | 267 | 173 | 144 | -378 | -2,250 | -1,186 | 339 | 520 | 243 |
| 経常（税引前）利益 | 729 | 695 | 497 | 292 | -342 | 374 | 299 | 256 | -296 | -1,963 | -912 | 449 | 617 | 347 |
| 法人税等合計 | - | - | - | 157 | -20 | 568 | 35 | 45 | -108 | 176 | 149 | -29 | 124 | -75 |
| 純利益 | 301 | 413 | 287 | 134 | -287 | -293 | -71 | 165 | -194 | -1,985 | 299 | 519 | 798 | 500 |
| 一株あたり利益 | 16.33 | 22.47 | 15.62 | 7.33 | -15.6 | -15.95 | -3.86 | 47.6 | -57.97 | -591.09 | 88.56 | 152.58 | 233.35 | 145.4 |
| 一株あたり配当金 | 9 | 10 | 10 | 9 | 6 | 6 | 6 | 18 | 30 | 0 | 0 | 20 | 30 | 45 |