| （単位：百万円） | 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 | 18,286 | 18,002 | 18,062 | 18,437 | 18,510 | 18,677 | 20,070 | 20,767 | 21,281 | 18,866 | 20,001 | 21,663 | 22,437 | 31,984 |
| 営業費用 | - | - | - | 1,472 | 1,446 | 1,361 | 1,319 | 1,342 | 1,472 | 1,230 | 1,345 | 1,470 | 1,543 | 3,246 |
| 営業利益 | - | - | - | 2,018 | 1,739 | 2,019 | 2,658 | 2,940 | 3,092 | 2,550 | 3,376 | 3,868 | 3,789 | 4,521 |
| 経常（税引前）利益 | 1,823 | 1,552 | 1,621 | 2,021 | 1,742 | 2,064 | 2,651 | 2,937 | 3,064 | 2,537 | 3,386 | 3,843 | 3,800 | 4,363 |
| 法人税等合計 | - | - | - | 891 | 481 | 681 | 891 | 906 | 1,029 | 888 | 1,132 | 1,343 | 1,265 | 2,714 |
| 純利益 | 402 | 1,132 | 1,288 | 985 | 368 | 1,345 | 1,573 | 2,112 | 1,856 | 1,562 | 2,040 | 2,783 | 2,363 | 4,721 |
| 一株あたり利益 | 163.49 | 143.3 | 169.8 | 175.42 | 65.57 | 239.59 | 280.11 | 376.08 | 165.81 | 141.24 | 187.6 | 263.84 | 114.38 | 230.96 |
| 一株あたり配当金 | 40 | 40 | 40 | 40 | 40 | 45 | 50 | 57 | 46 | 35 | 38 | 44 | 35 | 37 |