| （単位：百万円） | 2011/3 | 2012/3 | 2013/3 | 2014/3 | 2015/3 | 2015/12 | 2016/12 | 2017/12 | 2018/12 | 2019/12 | 2020/12 | 2021/12 | 2022/12 | 2023/12 | 2024/12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 10,110 | 10,531 | 10,894 | 11,161 | 12,439 | 10,278 | 15,998 | 16,467 | 15,266 | 15,552 | 16,457 | 17,389 | 19,757 | 19,058 | 18,606 |
| 売上原価 | - | - | - | - | 7,370 | 6,311 | 9,653 | 9,429 | 8,423 | 8,903 | 8,911 | 9,565 | 12,126 | 10,497 | 10,313 |
| 売上総利益 | - | - | - | - | 5,069 | 3,967 | 6,345 | 7,037 | 6,842 | 6,649 | 7,545 | 7,823 | 7,630 | 8,561 | 8,293 |
| 売上総利益率（％） | - | - | - | - | |||||||||||
| 営業費用 | - | - | - | - | 3,996 | 3,514 | 5,085 | 5,512 | 5,474 | 5,568 | 5,678 | 5,455 | 5,593 | 5,952 | 6,249 |
| 営業利益 | - | - | - | - | 1,072 | 452 | 1,259 | 1,525 | 1,367 | 1,081 | 1,866 | 2,367 | 2,036 | 2,608 | 2,043 |
| 経常（税引前）利益 | -10 | 487 | 998 | 1,006 | 1,043 | 435 | 1,188 | 1,621 | 1,240 | 1,051 | 1,945 | 2,494 | 2,203 | 2,809 | 2,156 |
| 法人税等合計 | - | - | - | - | 324 | 154 | 440 | 550 | 393 | 349 | 48 | 651 | 731 | 874 | 450 |
| 純利益 | 21 | 271 | 454 | 877 | 633 | -301 | 664 | 929 | 330 | 660 | 1,483 | 1,872 | 1,587 | 1,936 | 1,725 |
| 一株あたり利益 | 5.17 | 29.28 | 48.1 | 88.9 | 67.3 | -31.99 | 34.78 | 47.74 | 17 | 34.83 | 78.27 | 101.08 | 85.74 | 104.55 | 93.11 |
| 一株あたり配当金 | 25 | 25 | 26 | 15 | 15 | 15 | 15 | 10 | 10 | 10 | 12 | 14 | 16 | 24 | 52 |