| （単位：百万円） | 2011/3 | 2012/3 | 2013/3 | 2014/3 | 2014/12 | 2015/12 | 2016/12 | 2017/12 | 2018/12 | 2019/12 | 2020/12 | 2021/12 | 2022/12 | 2023/12 | 2024/12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 32,898 | 27,361 | 32,860 | 40,556 | 36,713 | 40,937 | 36,896 | 36,433 | 36,431 | 35,750 | 31,390 | 36,953 | 43,638 | 44,758 | 44,804 |
| 売上原価 | - | - | - | - | 30,888 | 34,408 | 30,079 | 30,392 | 30,239 | 29,638 | 25,924 | 30,690 | 35,544 | 36,186 | 36,355 |
| 売上総利益 | - | - | - | - | 5,825 | 6,529 | 6,818 | 6,041 | 6,192 | 6,112 | 5,466 | 6,263 | 8,094 | 8,572 | 8,450 |
| 売上総利益率（％） | - | - | - | - | |||||||||||
| 営業費用 | - | - | - | - | 4,851 | 5,751 | 5,605 | 5,560 | 5,326 | 5,257 | 4,705 | 5,158 | 5,565 | 6,100 | 6,256 |
| 営業利益 | - | - | - | - | 974 | 777 | 1,213 | 480 | 865 | 855 | 761 | 1,104 | 2,529 | 2,472 | 2,194 |
| 経常（税引前）利益 | 1,954 | 788 | 639 | 2,017 | 1,193 | 782 | 1,072 | 680 | 861 | 876 | 982 | 1,287 | 2,912 | 2,533 | 2,328 |
| 法人税等合計 | - | - | - | - | 545 | 366 | 604 | 91 | 266 | 283 | 87 | 230 | 381 | 626 | 1,361 |
| 純利益 | 1,704 | 277 | -91 | 1,379 | 647 | 355 | -250 | 447 | 510 | 577 | 564 | 1,017 | 2,217 | 1,984 | 2,784 |
| 一株あたり利益 | 136.05 | 22.17 | -7.23 | 110 | 51.66 | 28.36 | -29.03 | 31.6 | 35.87 | 40.52 | 43.03 | 83.5 | 175.09 | 162.84 | 228.42 |
| 希薄化後一株あたり利益 | 135.98 | 22.16 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 一株あたり配当金 | 10 | 10 | 5 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 14 | 24 | 41 | 69 |