| （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 | 18,020 | 18,077 | 18,501 | 19,378 | 19,305 | 18,950 | 19,399 | 19,374 | 18,669 | 14,752 | 15,532 | 17,000 | 19,042 | 18,419 |
| 売上原価 | - | - | - | 16,085 | 15,927 | 15,519 | 15,990 | 16,078 | 15,433 | 11,949 | 12,579 | 13,821 | 15,426 | 14,807 |
| 売上総利益 | - | - | - | 3,292 | 3,377 | 3,431 | 3,409 | 3,296 | 3,236 | 2,803 | 2,953 | 3,179 | 3,615 | 3,612 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 2,707 | 2,766 | 2,856 | 2,936 | 2,925 | 2,845 | 2,532 | 2,594 | 2,663 | 2,872 | 2,924 |
| 営業利益 | - | - | - | 584 | 611 | 575 | 472 | 371 | 390 | 270 | 358 | 516 | 742 | 687 |
| 経常（税引前）利益 | 618 | 539 | 501 | 452 | 476 | 488 | 416 | 335 | 351 | 297 | 417 | 528 | 811 | 857 |
| 法人税等合計 | - | - | - | 125 | -57 | -13 | 73 | 117 | 141 | 102 | 121 | 199 | -60 | 63 |
| 純利益 | 734 | 482 | 323 | 347 | 523 | 266 | 268 | 249 | 166 | 184 | 258 | 269 | 573 | 799 |
| 一株あたり利益 | 91.38 | 54.02 | 36.3 | 39.01 | 58.67 | 29.88 | 30.13 | 27.89 | 18.61 | 20.65 | 29.02 | 30.18 | 64.29 | 90.73 |
| 一株あたり配当金 | 2 | 2 | 2 | 2 | 20 | 20 | 20 | 20 | 20 | 10 | 15 | 11 | 12 | 13 |