| （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 | 6,046 | 7,106 | 7,470 | 8,850 | 9,296 | 9,310 | 9,615 | 9,685 | 10,450 | 12,778 | 13,241 | 12,225 | 15,023 | 15,870 |
| 売上原価 | - | - | - | 6,344 | 6,507 | 6,513 | 6,810 | 7,010 | 7,738 | 9,236 | 9,470 | 8,221 | 10,249 | 10,962 |
| 売上総利益 | - | - | - | 2,506 | 2,789 | 2,798 | 2,805 | 2,676 | 2,712 | 3,542 | 3,771 | 4,003 | 4,774 | 4,908 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 1,901 | 2,053 | 2,215 | 2,228 | 2,171 | 2,262 | 2,617 | 2,826 | 2,876 | 3,734 | 3,652 |
| 営業利益 | - | - | - | 604 | 734 | 582 | 577 | 504 | 449 | 924 | 945 | 1,127 | 1,040 | 1,255 |
| 経常（税引前）利益 | 273 | 329 | 344 | 590 | 726 | 588 | 609 | 513 | 460 | 951 | 958 | 1,141 | 1,062 | 1,266 |
| 法人税等合計 | - | - | - | 210 | 300 | 224 | 184 | 193 | 167 | 328 | 311 | 311 | 359 | 417 |
| 純利益 | 123 | 154 | 191 | 386 | 428 | 333 | 251 | 320 | 280 | 644 | 645 | 909 | 445 | 814 |
| 一株あたり利益 | 102.17 | 127.84 | 52.73 | 84.59 | 89.18 | 68.95 | 51.96 | 66.15 | 56.89 | 62.43 | 62.55 | 87.35 | 39.95 | 72.95 |
| 希薄化後一株あたり利益 | - | - | - | - | 89.08 | 68.71 | 51.65 | 65.6 | 56.37 | 60.91 | 61.05 | 86.08 | 39.5 | 72.16 |
| 配当性向（%） | - | - | - | - | - | - | - | - | ||||||
| 一株あたり配当金 | 20 | 25 | 32 | 13 | 13.2 | 13.2 | 16 | 16 | 16 | 20 | 12 | 13 | 13 | 17 |