| 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 | 2026/03 | |
| 売上高 | 30,477 | 29,449 | 31,357 | 35,293 | 41,362 | 41,597 | 44,315 | 45,417 | 43,891 | 40,365 | 43,120 | 45,559 | 46,636 | 49,465 | 48,611 |
| 売上成長率（％） | - | ||||||||||||||
| 売上原価 | - | - | - | 29,078 | 34,033 | 34,227 | 36,362 | 36,917 | 35,556 | 32,591 | 34,780 | 36,799 | 37,343 | 39,675 | 34,065 |
| 売上総利益 | - | - | - | 6,215 | 7,329 | 7,371 | 7,953 | 8,500 | 8,335 | 7,774 | 8,340 | 8,760 | 9,294 | 9,790 | 8,073 |
| 売上総利益率（％） | - | - | - | ||||||||||||
| 営業利益率 (%) | - | - | - | ||||||||||||
| 営業費用 | - | - | - | 4,578 | 5,485 | 5,421 | 5,492 | 5,630 | 5,806 | 5,704 | 6,269 | 6,583 | 7,012 | 7,394 | 6,681 |
| 営業利益 | - | - | - | 1,637 | 1,844 | 1,950 | 2,461 | 2,871 | 2,528 | 2,070 | 2,071 | 2,177 | 2,281 | 2,396 | 2,047 |
| 経常（税引前）利益 | 1,259 | 1,146 | 1,551 | 1,976 | 2,358 | 2,467 | 2,894 | 3,297 | 2,930 | 2,523 | 2,535 | 2,679 | 2,824 | 2,907 | 2,550 |
| 経常（税引前）利益率（％） | 4.1 | 3.9 | 4.9 | 5.6 | 5.7 | 5.9 | 6.5 | 7.3 | 6.7 | 6.3 | 5.9 | 5.9 | 6.1 | 5.9 | 5.2 |
| 法人税等合計 | - | - | - | 814 | 817 | 785 | 961 | 1,078 | 986 | 799 | 898 | 767 | 941 | 947 | 758 |
| 実効税率（％） | - | - | - | ||||||||||||
| 純利益 | 606 | 631 | 936 | 1,292 | 1,523 | 1,648 | 1,914 | 2,228 | 1,895 | 1,722 | 1,635 | 2,102 | 1,877 | 1,917 | 1,643 |
| 一株あたり利益 | 53.76 | 56.41 | 84.05 | 115.22 | 135.78 | 147.59 | 173.07 | 201.47 | 177.01 | 164.32 | 161.41 | 208.52 | 186.22 | 98.18 | 117.29 |
| 希薄化後一株あたり利益 | - | - | 83.97 | 115.17 | 135.73 | - | - | - | - | - | - | - | - | - | - |
| 一株あたり配当金 | - | - | - | - | - | - | - | - | 80 | 90 | 60 | 65 | 70 | - | 54 |