| 2012/03 | 2013/03 | 2014/03 | 2015/03 | 2016/03 | 2017/03 | 2018/03 | 2019/03 | 2020/03 | 2021/03 | 2022/03 | 2023/03 | 2024/03 | 2025/03 | |
| 売上高 | 21,087 | 23,435 | 26,744 | 28,532 | 29,052 | 28,817 | 27,858 | 30,043 | 32,430 | 30,737 | 33,083 | 35,706 | 41,776 | 41,575 |
| 売上成長率（％） | - | |||||||||||||
| 売上原価 | - | - | - | 23,941 | 24,406 | 24,254 | 23,442 | 25,268 | 27,426 | 25,996 | 28,055 | 30,207 | 35,530 | 35,371 |
| 売上総利益 | - | - | - | 4,590 | 4,646 | 4,563 | 4,416 | 4,776 | 5,005 | 4,742 | 5,028 | 5,499 | 6,247 | 6,204 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業利益率 (%) | - | - | - | |||||||||||
| 営業費用 | - | - | - | 3,382 | 3,352 | 3,448 | 3,525 | 3,629 | 3,779 | 3,710 | 3,976 | 4,430 | 4,678 | 4,984 |
| 営業利益 | - | - | - | 1,208 | 1,294 | 1,115 | 891 | 1,147 | 1,226 | 1,031 | 1,052 | 1,069 | 1,568 | 1,220 |
| 経常（税引前）利益 | 522 | 605 | 959 | 1,199 | 1,297 | 1,125 | 900 | 1,145 | 1,237 | 1,049 | 1,067 | 1,075 | 1,577 | 1,231 |
| 経常（税引前）利益率（％） | 2.5 | 2.6 | 3.6 | 4.2 | 4.5 | 3.9 | 3.2 | 3.8 | 3.8 | 3.4 | 3.2 | 3 | 3.8 | 3 |
| 法人税等合計 | - | - | - | 476 | 450 | 365 | 332 | 398 | 440 | 363 | 372 | 364 | 632 | 398 |
| 実効税率（％） | - | - | - | |||||||||||
| 純利益 | 273 | 363 | 337 | 732 | 791 | 767 | 573 | 764 | 862 | 691 | 699 | 976 | 1,155 | 844 |
| 純利益率（％） | ||||||||||||||
| 一株あたり利益 | 14.66 | 30.04 | 59.71 | 83.08 | 89.83 | 87.05 | 65 | 86.69 | 97.82 | 78.47 | 81.19 | 115.46 | 137.49 | 103.84 |
| 希薄化後一株あたり利益 | 14.66 | 30.04 | 59.71 | 83.08 | 89.83 | 87.05 | 65 | 86.69 | 97.82 | 78.47 | 81.19 | 115.46 | 137.49 | 103.84 |
| 配当性向（%） | ||||||||||||||
| 一株あたり配当金 | 20 | 20 | 20 | 25 | 25 | 25 | 20 | 23 | 28 | 20 | 22 | 30 | 40 | 30 |
| EBITDA | - | - | - | |||||||||||
| EBITDAマージン（％） | - | - | - |