| （単位：百万円） | 2011/9 | 2012/9 | 2013/9 | 2014/9 | 2015/9 | 2016/9 | 2017/9 | 2018/9 | 2019/9 | 2020/9 | 2021/9 | 2022/9 | 2023/9 | 2024/9 | 2025/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 29,888 | 31,625 | 32,369 | 34,500 | 36,608 | 38,327 | 39,038 | 40,348 | 40,471 | 42,595 | 44,015 | 46,560 | 48,048 | 51,828 | 58,571 |
| 売上原価 | - | - | - | 26,223 | 27,802 | 29,037 | - | - | - | - | - | - | - | - | - |
| 売上総利益 | - | - | - | 8,277 | 8,806 | 9,290 | 9,481 | 9,836 | 9,983 | 10,668 | 10,935 | 11,513 | 12,100 | 13,249 | 14,819 |
| 売上総利益率（％） | - | - | - | ||||||||||||
| 営業費用 | - | - | - | 7,750 | 8,189 | 8,503 | 8,665 | 9,092 | 9,198 | 9,452 | 9,582 | 10,165 | 10,860 | 11,899 | 14,100 |
| 営業利益 | - | - | - | 1,047 | 1,151 | 1,330 | 1,368 | 1,275 | 1,342 | 1,790 | 1,908 | 1,883 | 1,788 | 1,914 | 1,308 |
| 経常（税引前）利益 | 655 | 721 | 879 | 1,024 | 1,139 | 1,333 | 1,373 | 1,285 | 1,356 | 1,807 | 1,929 | 1,920 | 1,820 | 1,958 | 1,287 |
| 法人税等合計 | - | - | - | 379 | 394 | 397 | 361 | 339 | 335 | 536 | 579 | 498 | 477 | 533 | 354 |
| 純利益 | 339 | 384 | 525 | 628 | 714 | 860 | 1,829 | 797 | 750 | 1,168 | 1,257 | 1,163 | 1,234 | 1,424 | 979 |
| 一株あたり利益 | 84.84 | 96.13 | 126.38 | 110.02 | 125.07 | 150.58 | 320.16 | 69.76 | 65.67 | 102.29 | 110.06 | 101.81 | 108.04 | 125.23 | 86.85 |
| 一株あたり配当金 | 15 | 15 | 17 | 15 | 15 | 18 | 20 | 11 | 13 | 16 | 19 | 20 | 25 | 30 | 36 |