| （単位：百万円） | 2012/3 | 2013/3 | 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 | 31,022 | 31,651 | 33,585 | 39,931 | 46,527 | 44,223 | 48,493 | 50,188 | 46,191 | 41,179 | 48,474 | 50,627 | 50,169 | 54,099 |
| 売上原価 | - | - | - | 25,758 | 30,714 | 29,491 | 32,870 | 33,856 | 30,990 | 27,410 | 32,431 | 34,456 | 33,652 | 34,807 |
| 売上総利益 | - | - | - | 14,172 | 15,813 | 14,732 | 15,622 | 16,332 | 15,201 | 13,768 | 16,043 | 16,171 | 16,516 | 19,291 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 11,307 | 13,449 | 13,274 | 13,506 | 14,030 | 13,805 | 12,352 | 13,589 | 13,543 | 14,476 | 15,772 |
| 営業利益 | - | - | - | 2,865 | 2,364 | 1,458 | 2,116 | 2,301 | 1,395 | 1,416 | 2,453 | 2,628 | 2,039 | 3,519 |
| 経常（税引前）利益 | 1,103 | 1,797 | 3,280 | 3,073 | 2,443 | 1,588 | 2,171 | 2,430 | 1,334 | 1,645 | 2,706 | 3,132 | 2,528 | 3,976 |
| 法人税等合計 | - | - | - | 620 | 741 | 499 | 695 | 2,377 | 502 | 600 | 738 | 1,007 | 648 | 875 |
| 純利益 | 494 | 1,260 | 2,678 | 1,446 | 1,151 | 545 | 1,592 | 3,774 | 1,099 | 1,170 | 2,723 | 2,262 | 1,876 | 3,029 |
| 一株あたり利益 | 28.11 | 71.65 | 152.2 | 82.22 | 70.13 | 22.09 | 88.48 | 156.68 | 57.33 | 66.4 | 164.82 | 134.08 | 107.09 | 174.17 |
| 一株あたり配当金 | 10 | 15 | 16 | 16 | 20 | 20 | 16 | 18 | 16 | 10 | 22 | 30 | 32 | 52 |