| （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 | 8,879 | 8,330 | 7,476 | 7,501 | 7,786 | 7,937 | 8,460 | 8,327 | 8,605 | 10,152 | 10,203 | 10,604 | 10,587 | 10,762 |
| 売上原価 | - | - | - | 4,183 | 4,241 | 4,172 | 4,394 | 4,442 | 4,562 | 5,261 | 5,556 | 5,611 | 5,747 | 5,840 |
| 売上総利益 | - | - | - | 3,317 | 3,545 | 3,764 | 4,066 | 3,885 | 4,043 | 4,891 | 4,647 | 4,993 | 4,840 | 4,922 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 2,947 | 3,019 | 3,130 | 3,340 | 3,418 | 3,475 | 3,758 | 3,701 | 3,808 | 3,832 | 3,912 |
| 営業利益 | - | - | - | 370 | 526 | 634 | 725 | 466 | 567 | 1,133 | 945 | 1,184 | 1,007 | 1,009 |
| 経常（税引前）利益 | 1,112 | 661 | 409 | 315 | 449 | 554 | 662 | 420 | 528 | 1,097 | 922 | 1,160 | 979 | 1,002 |
| 法人税等合計 | - | - | - | 164 | 211 | 166 | 169 | 118 | 144 | 211 | 314 | 326 | 277 | 280 |
| 純利益 | 553 | 384 | 229 | 147 | 237 | 388 | 492 | 358 | 371 | 837 | 862 | 833 | 701 | 722 |
| 一株あたり利益 | 109.46 | 76.07 | 45.45 | 29.22 | 46.84 | 77.23 | 98.19 | 71.55 | 74.21 | 167.34 | 172.27 | 167.85 | 141.89 | 146.05 |
| 希薄化後一株あたり利益 | 108.79 | 75.77 | 45 | 29.06 | - | - | - | - | - | - | - | - | - | - |
| 一株あたり配当金 | 35 | 25 | 25 | 25 | 25 | 25 | 30 | 25 | 25 | 45 | 35 | 45 | 35 | 35 |