| （単位：十億円） | 2012/3 | 2013/3 | 2014/3 | 2015/3 | 2016/3 | 2017/3 | 2018/3 | 2019/3 | 2020/3 | 2021/3 | 2022/3 | 2023/3 | 2024/3 | 2025/3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 1,414 | 1,431 | 1,507 | 937 | 724 | 695 | 745 | 1,007 | 897 | 739 | 936 | 1,012 | 963 | 924 |
| 売上原価 | - | - | - | 1,056 | 758 | 720 | 843 | 926 | 798 | 635 | 755 | 790 | 729 | 665 |
| 売上総利益 | - | - | - | 18 | 18 | 20 | 19 | 84 | 86 | 87 | 84 | 90 | 89 | 94 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 14 | 14 | 14 | 14 | 67 | 69 | 67 | 68 | 69 | 70 | 71 |
| 営業利益 | - | - | - | 4 | 5 | 6 | 5 | 18 | 19 | 19 | 21 | 21 | 24 | 27 |
| 経常（税引前）利益 | 9 | 13 | 14 | 12 | 15 | 19 | 19 | 19 | 20 | 20 | 22 | 23 | 25 | 28 |
| 法人税等合計 | - | - | - | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 3 | 3 | 2 |
| 純利益 | 3 | 6 | 7 | 6 | 7 | 10 | 11 | 12 | 12 | 12 | 13 | 14 | 14 | 17 |
| 一株あたり利益 | 34.22 | 57.26 | 65.52 | 48.71 | 66.1 | 92.09 | 97.63 | 102.4 | 106.81 | 107.79 | 116.89 | 122.54 | 123.03 | 151.63 |
| 一株あたり配当金 | 16 | 16 | 20 | 22 | 24 | 32 | 40 | 42 | 44 | 50 | 48 | 50 | 54 | 62 |