| （単位：百万円） | 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 | 86,139 | 73,547 | 56,450 | 59,599 | 64,765 | 65,133 | 58,452 | 66,070 | 106,200 | 96,298 | 92,421 |
| 売上原価 | 71,887 | 59,493 | 44,083 | 47,373 | 52,702 | 52,388 | 45,199 | 52,610 | 89,168 | 76,448 | 72,261 |
| 売上総利益 | 14,252 | 14,053 | 12,366 | 12,226 | 12,063 | 12,745 | 13,253 | 13,459 | 17,031 | 19,850 | 20,159 |
| 売上総利益率（％） | |||||||||||
| 営業費用 | 3,488 | 3,395 | 3,522 | 3,465 | 3,745 | 3,809 | 4,026 | 3,894 | 4,052 | 4,175 | 5,057 |
| 営業利益 | 5,019 | 4,891 | 3,234 | 3,051 | 2,790 | 3,330 | 3,625 | 3,937 | 7,304 | 9,668 | 8,820 |
| 経常（税引前）利益 | 6,114 | 5,824 | 3,629 | 3,476 | 3,256 | 3,635 | 4,050 | 4,423 | 7,931 | 10,408 | 9,830 |
| 法人税等合計 | 1,902 | 1,721 | 1,104 | 957 | 824 | 1,115 | 1,327 | 1,163 | 2,347 | 3,005 | 2,861 |
| 純利益 | 8,496 | 3,941 | 2,413 | 2,482 | 2,346 | 2,870 | 3,029 | 3,114 | 5,353 | 7,251 | 6,920 |
| 一株あたり利益 | 303.17 | 143.91 | 87.71 | 88.19 | 82.29 | 100.94 | 106.95 | 107.15 | 179.27 | 242.81 | 231.38 |
| 希薄化後一株あたり利益 | 301.8 | 143.15 | 87.18 | 87.61 | 81.75 | 100.29 | 106.3 | 106.51 | 178.26 | 241.57 | 230.36 |
| 配当性向（%） | - | - | - | - | - | ||||||
| 一株あたり配当金 | 28 | 28 | 28 | 28 | 28 | 28 | 30 | 30 | 32 | 38 | 42 |