| （単位：十億円） | 2010/3 | 2011/3 | 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 | 1,442 | 1,218 | 1,324 | 1,416 | 1,533 | 1,573 | 1,546 | 1,487 | 1,585 | 1,651 | 1,751 | 1,480 | 1,543 | 1,643 | 1,765 | 2,154 |
| 売上原価 | - | - | - | 1,305 | 1,402 | 1,425 | 1,348 | 1,261 | 1,319 | 1,409 | 1,493 | 1,261 | 1,356 | 1,495 | 1,638 | 1,923 |
| 売上総利益 | - | - | - | 112 | 131 | 148 | 198 | 226 | 267 | 241 | 259 | 219 | 188 | 148 | 127 | 231 |
| 売上総利益率（％） | - | - | - | |||||||||||||
| 営業費用 | - | - | - | 76 | 77 | 78 | 80 | 85 | 85 | 88 | 91 | 88 | 92 | 93 | 101 | 111 |
| 営業利益 | - | - | - | 36 | 54 | 70 | 117 | 141 | 182 | 153 | 168 | 131 | 96 | 55 | 26 | 120 |
| 経常（税引前）利益 | 28 | 24 | 30 | 35 | 57 | 74 | 118 | 145 | 185 | 158 | 173 | 136 | 103 | 63 | 39 | 135 |
| 法人税等合計 | - | - | - | 12 | 14 | 29 | 41 | 45 | 56 | 48 | 53 | 43 | 32 | 21 | 16 | 50 |
| 純利益 | 21 | 11 | 1 | 20 | 32 | 38 | 77 | 91 | 127 | 113 | 122 | 93 | 72 | 47 | 41 | 128 |
| 一株あたり利益 | 19.74 | 9.58 | 1.04 | 17.6 | 28.17 | 33.52 | 65.85 | 78.57 | 561.36 | 511.9 | 573.14 | 442.66 | 350.88 | 241.24 | 215.75 | 682.78 |
| 希薄化後一株あたり利益 | 19.24 | 9.56 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 一株あたり配当金 | 5 | 5 | 5 | 5 | 6 | 8 | 16 | 20 | 85 | 130 | 130 | 130 | 130 | 130 | 130 | 210 |