| （単位：%） | 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 | 22,717 | 23,617 | 25,264 | 24,137 | 22,481 | 23,064 | 25,226 | 28,414 | 34,001 | 39,540 | 42,751 | 44,813 | 46,940 | 48,631 |
| 売上成長率（％） | - | 16.3 | 8.1 | 4.8 | 4.8 | 3.6 | ||||||||
| 営業費用 | - | - | - | 671 | 732 | 837 | 778 | 772 | 833 | 885 | 981 | 1,062 | 1,183 | 1,226 |
| 営業利益 | - | - | - | 677 | 944 | 1,168 | 1,422 | 1,597 | 2,345 | 3,138 | 3,216 | 3,178 | 2,615 | 3,239 |
| 営業利益率 (%) | - | - | - | 7.9 | 7.5 | 7.1 | 5.6 | 6.7 | ||||||
| 経常（税引前）利益 | 748 | 752 | 804 | 610 | 878 | 1,100 | 1,388 | 1,568 | 2,335 | 3,184 | 3,299 | 3,241 | 2,678 | 3,312 |
| 経常（税引前）利益率（％） | 3.3 | 3.2 | 3.2 | 2.5 | 3.9 | 4.8 | 5.5 | 5.5 | 6.9 | 8.1 | 7.7 | 7.2 | 5.7 | 6.8 |
| 法人税等合計 | - | - | - | 275 | 327 | 356 | 258 | 571 | 760 | 1,015 | 957 | 936 | 611 | 955 |
| 実効税率（％） | - | - | - | 31.9 | 29.0 | 28.9 | 22.8 | 28.8 | ||||||
| 純利益 | 256 | 295 | 157 | 145 | 474 | 632 | 1,168 | 990 | 1,587 | 2,261 | 2,342 | 2,284 | 2,045 | 2,390 |
| 純利益率（％） | 5.7 | 5.5 | 5.1 | 4.4 | 4.9 | |||||||||
| 一株あたり利益 | 50.02 | 58.4 | 34.22 | 19.54 | 63.54 | 84.76 | 156.65 | 132.71 | 212.84 | 303.1 | 313.95 | 306.08 | 274 | 319.96 |
| 一株あたり配当金 | - | - | - | - | - | - | - | - | 45 | 70 | 80 | 94 | 94 | 96 |
| EBITDA | - | - | - | 3,753 | 3,954 | 3,953 | 3,572 | 4,430 | ||||||
| EBITDAマージン（％） | - | - | - | 9.5 | 9.2 | 8.8 | 7.6 | 9.1 |