| （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 | 18,928 | 18,654 | 19,552 | 19,843 | 20,069 | 19,990 | 20,771 | 21,819 | 21,435 | 19,938 | 21,599 | 22,277 | 21,652 | 23,317 |
| 売上原価 | - | - | - | 16,503 | 16,439 | 16,161 | 16,769 | 17,661 | 17,441 | 16,288 | 17,617 | 18,539 | 17,834 | 19,051 |
| 売上総利益 | - | - | - | 3,339 | 3,630 | 3,829 | 4,002 | 4,158 | 3,994 | 3,650 | 3,982 | 3,738 | 3,818 | 4,266 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 2,523 | 2,531 | 2,634 | 2,609 | 2,635 | 2,632 | 2,480 | 2,579 | 2,623 | 2,796 | 2,888 |
| 営業利益 | - | - | - | 815 | 1,098 | 1,195 | 1,393 | 1,522 | 1,361 | 1,170 | 1,402 | 1,115 | 1,021 | 1,377 |
| 経常（税引前）利益 | 892 | 839 | 1,019 | 931 | 1,180 | 1,298 | 1,521 | 1,669 | 1,505 | 1,321 | 1,583 | 1,349 | 1,248 | 1,626 |
| 法人税等合計 | - | - | - | 240 | 322 | 361 | 408 | 445 | 402 | 358 | 415 | 337 | 415 | 532 |
| 純利益 | 352 | 382 | 456 | 687 | 860 | 912 | 1,082 | 1,214 | 1,087 | 948 | 1,162 | 1,009 | 962 | 1,345 |
| 一株あたり利益 | 54.51 | 59.21 | 79.7 | 74.21 | 92.86 | 195.59 | 231.13 | 260.07 | 233.24 | 202.93 | 248.24 | 213.51 | 216.74 | 297.41 |
| 一株あたり配当金 | 12 | 12 | 12 | 12 | 14 | 23 | 34 | 38 | 38 | 38 | 40 | 40 | 40 | 40 |