| （単位：十億円） | 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 | 754 | 1,189 | 1,136 | 1,232 | 1,335 | 1,345 | 1,402 | 1,456 | 1,387 | 1,440 | 1,439 | 1,460 |
| 売上原価 | - | - | - | - | 1,120 | 1,132 | 1,189 | 1,208 | 1,091 | 1,189 | 1,230 | 1,227 |
| 売上総利益 | - | - | - | - | 215 | 213 | 213 | 248 | 296 | 251 | 210 | 232 |
| 営業費用 | - | 1 | 1 | 3 | 3 | 117 | 129 | 130 | 139 | 151 | 151 | 153 |
| 営業利益 | - | 12 | 13 | 18 | 47 | 97 | 84 | 121 | 153 | 102 | 59 | 80 |
| 経常（税引前）利益 | 55 | 63 | 92 | 111 | 100 | 94 | 79 | 120 | 152 | 107 | 56 | 74 |
| 法人税等合計 | - | 0 | 0 | -1 | 0 | 29 | 25 | 36 | 48 | 31 | 20 | 25 |
| 純利益 | 12 | 39 | 65 | 77 | 70 | 65 | 54 | 83 | 103 | 76 | 37 | 51 |
| 一株あたり利益 | 210.72 | 134.71 | 225.1 | 266.11 | 241.15 | 227.02 | 186.39 | 288.91 | 358.49 | 264.27 | 132.57 | 181.16 |
| 一株あたり配当金 | 16 | 38 | 42 | 54 | 60 | 62 | 62 | 74 | 90 | 90 | 90 | 90 |