| （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 | 59,381 | 58,794 | 64,115 | 70,078 | 78,146 | 86,857 | 95,340 | 103,250 | 112,542 | 101,785 | 107,092 | 113,725 | 133,517 | 131,662 |
| 売上原価 | - | - | - | 58,576 | 61,950 | 70,273 | 77,138 | 83,184 | 93,305 | 83,488 | 87,260 | 91,288 | 110,634 | 108,112 |
| 売上総利益 | - | - | - | 11,502 | 16,195 | 16,583 | 18,201 | 20,065 | 19,237 | 18,297 | 19,831 | 22,437 | 22,882 | 23,550 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 3,463 | 4,433 | 4,298 | 4,510 | 5,399 | 4,735 | 4,392 | 4,282 | 5,250 | 5,305 | 5,239 |
| 営業利益 | - | - | - | 8,038 | 11,762 | 12,284 | 13,691 | 14,665 | 14,501 | 13,904 | 15,549 | 17,186 | 17,577 | 18,310 |
| 経常（税引前）利益 | 1,978 | 3,963 | 5,912 | 8,034 | 11,313 | 11,972 | 13,531 | 14,542 | 14,601 | 13,932 | 15,583 | 17,225 | 17,671 | 18,369 |
| 法人税等合計 | - | - | - | 3,049 | 3,922 | -96 | 4,632 | 4,239 | 4,392 | 4,297 | 4,786 | 5,212 | 5,385 | 5,552 |
| 純利益 | 755 | 2,149 | 3,226 | 4,942 | 7,504 | 12,698 | 8,930 | 10,066 | 10,539 | 9,630 | 10,796 | 12,013 | 12,286 | 12,816 |
| 一株あたり利益 | 15.66 | 39.94 | 60.02 | 84.54 | 128.37 | 217.21 | 152.76 | 172.2 | 180.29 | 164.73 | 184.68 | 205.49 | 210.06 | 219.13 |
| 一株あたり配当金 | 7 | 7 | 7 | 9 | 14 | 16 | 18 | 19 | 19 | 19 | 21 | 27 | 53 | 56 |