| （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 | 47,545 | 44,080 | 43,895 | 45,384 | 45,270 | 45,919 | 46,289 | 45,660 | 44,941 | 43,080 | 47,476 | 52,743 | 56,236 | 57,033 |
| 売上原価 | - | - | - | 39,213 | 38,703 | 38,499 | 38,919 | 38,646 | 37,209 | 35,630 | 40,322 | 47,655 | 46,609 | 45,405 |
| 売上総利益 | - | - | - | 6,171 | 6,566 | 7,419 | 7,369 | 7,014 | 7,731 | 7,450 | 7,154 | 5,087 | 9,627 | 11,627 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 6,026 | 6,005 | 6,145 | 6,241 | 6,268 | 6,537 | 6,323 | 6,456 | 6,691 | 7,255 | 8,665 |
| 営業利益 | - | - | - | 145 | 561 | 1,274 | 1,128 | 745 | 1,194 | 1,126 | 698 | -1,604 | 2,372 | 2,961 |
| 経常（税引前）利益 | 921 | 915 | 786 | 350 | 759 | 1,391 | 1,334 | 945 | 1,418 | 1,447 | 984 | -1,333 | 2,594 | 3,007 |
| 法人税等合計 | - | - | - | 126 | 277 | 187 | 320 | 298 | 570 | 332 | 269 | -132 | 898 | 847 |
| 純利益 | -136 | 350 | 514 | 215 | 360 | 471 | 800 | 690 | 1,306 | 1,023 | 684 | -259 | 2,084 | 2,819 |
| 一株あたり利益 | -1.33 | 3.4 | 5 | 2.09 | 3.5 | 4.58 | 77.09 | 67.14 | 127.77 | 99.61 | 66.35 | -26.29 | 203.29 | 277.03 |
| 一株あたり配当金 | 2 | 3 | 3 | 3 | 3 | 3 | 40 | 40 | 40 | 40 | 40 | 30 | 50 | 60 |