| 2012/03 | 2013/03 | 2014/03 | 2015/03 | 2016/03 | 2017/03 | 2018/03 | 2019/03 | 2020/03 | 2021/03 | 2022/03 | 2023/03 | 2024/03 | 2025/03 | |
| 売上高 | 30,300 | 32,144 | 34,359 | 35,527 | 35,650 | 34,394 | 34,049 | 34,374 | 34,948 | 34,486 | 34,244 | 34,473 | 35,890 | 37,417 |
| 売上成長率（％） | - | |||||||||||||
| 売上原価 | - | - | - | 31,702 | 31,942 | 30,721 | 30,667 | 30,917 | 31,233 | 30,547 | 30,690 | 30,973 | 32,222 | 33,723 |
| 売上総利益 | - | - | - | 3,825 | 3,707 | 3,673 | 3,382 | 3,457 | 3,715 | 3,939 | 3,554 | 3,500 | 3,667 | 3,694 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業利益率 (%) | - | - | - | |||||||||||
| 営業費用 | - | - | - | 2,538 | 2,459 | 2,391 | 2,433 | 2,470 | 2,531 | 2,532 | 2,295 | 2,358 | 2,420 | 2,211 |
| 営業利益 | - | - | - | 1,287 | 1,249 | 1,281 | 949 | 988 | 1,184 | 1,407 | 1,259 | 1,142 | 1,248 | 1,483 |
| 経常（税引前）利益 | 982 | 996 | 1,392 | 1,435 | 1,351 | 1,334 | 1,057 | 1,103 | 1,313 | 1,589 | 1,403 | 1,338 | 1,461 | 1,675 |
| 経常（税引前）利益率（％） | 3.2 | 3.1 | 4.1 | 4 | 3.8 | 3.9 | 3.1 | 3.2 | 3.8 | 4.6 | 4.1 | 3.9 | 4.1 | 4.5 |
| 法人税等合計 | - | - | - | 574 | 496 | 538 | 449 | 389 | 435 | 750 | 398 | 397 | 460 | 539 |
| 実効税率（％） | - | - | - | |||||||||||
| 純利益 | 479 | 540 | 1,238 | 822 | 874 | 1,104 | 897 | 739 | 908 | 1,740 | 1,079 | 934 | 1,062 | 1,134 |
| 純利益率（％） | ||||||||||||||
| 一株あたり利益 | 40.92 | 46.89 | 107.47 | 71.39 | 75.92 | 95.9 | 77.91 | 64.18 | 78.89 | 151.12 | 93.72 | 81.3 | 95.35 | 103.96 |
| 一株あたり配当金 | - | - | - | - | - | - | - | - | 24 | 30 | 28 | 30 | 35 | 42 |
| EBITDA | - | - | - | - | ||||||||||
| EBITDAマージン（％） | - | - | - | - |