| （単位：百万円） | 2011/9 | 2012/9 | 2013/9 | 2014/9 | 2015/9 | 2016/9 | 2017/9 | 2018/9 | 2019/9 | 2020/9 | 2021/9 | 2022/9 | 2023/9 | 2024/9 | 2025/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 7,668 | 8,245 | 8,805 | 9,104 | 9,607 | 10,176 | 10,565 | 11,034 | 11,593 | 10,928 | 13,036 | 13,653 | 14,442 | 15,099 | 15,847 |
| 売上原価 | - | - | - | 6,291 | 6,660 | 7,062 | 7,290 | 7,639 | 8,162 | 8,248 | 8,771 | 9,218 | 10,442 | 10,714 | 11,145 |
| 売上総利益 | - | - | - | 2,814 | 2,947 | 3,114 | 3,274 | 3,395 | 3,431 | 2,680 | 4,265 | 4,436 | 4,000 | 4,385 | 4,701 |
| 売上総利益率（％） | - | - | - | 32.72 | 32.49 | 27.69 | 29.04 | 29.67 | |||||||
| 営業費用 | - | - | - | 615 | 643 | 662 | 689 | 714 | 741 | 750 | 755 | 779 | 807 | 873 | 921 |
| 営業利益 | - | - | - | 2,198 | 2,303 | 2,452 | 2,585 | 2,681 | 2,689 | 1,929 | 3,509 | 3,656 | 3,192 | 3,511 | 3,780 |
| 経常（税引前）利益 | 1,750 | 1,973 | 2,143 | 2,220 | 2,331 | 2,486 | 2,633 | 2,760 | 2,739 | 1,968 | 3,593 | 3,729 | 3,225 | 3,564 | 3,866 |
| 法人税等合計 | - | - | - | 827 | 807 | 780 | 749 | 862 | 791 | 625 | 1,122 | 1,165 | 855 | 1,048 | 1,176 |
| 純利益 | 959 | 1,112 | 1,268 | 1,355 | 1,487 | 1,669 | 1,833 | 1,862 | 1,943 | 1,343 | 2,471 | 2,563 | 2,405 | 2,509 | 2,690 |
| 一株あたり利益 | 64.98 | 75.51 | 76.71 | 81.34 | 89.25 | 100.39 | 110.65 | 112.4 | 117.92 | 81.38 | 149.71 | 155.27 | 145.71 | 155.59 | 170.35 |
| 一株あたり配当金 | - | - | - | - | - | - | - | - | 38 | 40 | 45 | 46 | 72 | 77 | 85 |