| （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 | 7,980 | 7,057 | 6,921 | 7,526 | 7,657 | 7,538 | 8,315 | 8,453 | 8,142 | 8,276 | 9,458 | 11,195 | 11,132 | 12,093 |
| 売上原価 | - | - | - | 5,892 | 6,068 | 5,723 | 6,645 | 6,862 | 6,668 | 6,671 | 7,844 | 8,953 | 8,885 | 9,762 |
| 売上総利益 | - | - | - | 1,634 | 1,589 | 1,814 | 1,670 | 1,590 | 1,474 | 1,604 | 1,614 | 2,242 | 2,247 | 2,331 |
| 売上総利益率（％） | - | - | - | 19.39 | 17.07 | 20.03 | 20.19 | 19.28 | ||||||
| 営業費用 | - | - | - | 976 | 961 | 1,057 | 1,133 | 1,109 | 1,165 | 1,113 | 1,103 | 1,145 | 1,226 | 1,213 |
| 営業利益 | - | - | - | 657 | 627 | 757 | 536 | 481 | 308 | 491 | 510 | 1,096 | 1,021 | 1,117 |
| 経常（税引前）利益 | 1,093 | 981 | 945 | 868 | 528 | 851 | 635 | 517 | 357 | 571 | 583 | 1,241 | 1,141 | 1,205 |
| 法人税等合計 | - | - | - | 414 | 280 | 337 | 186 | 199 | 157 | 187 | 149 | 291 | 387 | 353 |
| 純利益 | 544 | 562 | 559 | 585 | 231 | 465 | 434 | 315 | 224 | 377 | 433 | 949 | 909 | 396 |
| 一株あたり利益 | 74.95 | 77.44 | 78.12 | 84.19 | 33.74 | 67.98 | 63.62 | 47.33 | 33.67 | 56.57 | 64.96 | 142.26 | 136.04 | 59.23 |
| 一株あたり配当金 | 25 | 25 | 25 | 25 | 25 | 27 | 25 | 25 | 25 | 25 | 25 | 30 | 35 | 35 |