| （単位：百万円） | 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 | 320,787 | 303,973 | 312,474 | 324,463 | 327,273 | 320,401 | 323,913 | 325,268 | 319,813 | 298,310 | 298,572 | 325,020 | 333,197 | 350,092 |
| 売上原価 | - | - | - | 302,473 | 304,045 | 296,175 | 300,331 | 301,593 | 296,791 | 276,428 | 271,716 | 296,553 | 304,983 | 318,745 |
| 売上総利益 | - | - | - | 21,990 | 23,228 | 24,225 | 23,582 | 23,675 | 23,022 | 21,882 | 26,855 | 28,466 | 28,214 | 31,346 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 20,823 | 21,252 | 21,580 | 21,575 | 21,312 | 21,583 | 20,508 | 23,978 | 24,475 | 25,091 | 26,245 |
| 営業利益 | - | - | - | 1,166 | 1,975 | 2,645 | 2,007 | 2,362 | 1,439 | 1,373 | 2,876 | 3,990 | 3,122 | 5,100 |
| 経常（税引前）利益 | 1,296 | -298 | 1,955 | 1,284 | 1,923 | 2,151 | 1,613 | 2,505 | 1,621 | 1,727 | 3,092 | 4,276 | 3,912 | 5,891 |
| 法人税等合計 | - | - | - | 173 | 1,004 | 568 | 369 | 811 | 578 | 599 | 1,026 | 1,410 | 130 | 2,036 |
| 純利益 | -37 | 465 | 210 | 999 | 1,110 | 1,742 | -96 | 1,617 | 1,192 | 1,141 | 1,344 | 3,078 | 3,618 | 4,527 |
| 一株あたり利益 | 24.76 | -11.67 | 30.43 | 18.27 | 20.22 | 31.64 | -17.5 | 291.43 | 214.88 | 205.62 | 242.5 | 562.03 | 672.22 | 839.57 |
| 一株あたり配当金 | 6 | 6 | 6 | 6 | 6 | 6 | 70 | 60 | 60 | 60 | 60 | 70 | 75 | 97 |