| （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 | 450,807 | 517,740 | 532,016 | 567,159 | 569,545 | 569,680 | 623,762 | 668,510 | 676,495 | 580,660 | 645,049 | 654,735 | 734,715 | 757,638 |
| 営業費用 | - | - | - | 90,157 | 97,061 | 99,970 | 105,393 | 109,549 | 111,817 | 106,724 | 114,101 | 123,064 | 132,349 | 147,643 |
| 営業利益 | - | - | - | 71,894 | 80,912 | 77,271 | 76,660 | 79,162 | 81,905 | 76,333 | 91,210 | 99,598 | 112,114 | 118,958 |
| 経常（税引前）利益 | 34,173 | 45,806 | 64,058 | 63,681 | 72,679 | 68,952 | 68,033 | 69,323 | 73,077 | 65,965 | 82,557 | 94,121 | 98,248 | 106,740 |
| 法人税等合計 | - | - | - | 15,405 | 21,817 | 21,780 | 21,055 | 18,877 | 23,454 | 20,593 | 25,671 | 23,387 | 28,469 | 29,337 |
| 純利益 | 6,158 | 5,506 | 8,066 | 42,653 | 49,157 | 47,527 | 46,666 | 46,529 | 49,636 | 42,227 | 55,380 | 64,701 | 68,184 | 74,951 |
| 一株あたり利益 | 92.38 | 101.61 | 140.7 | 201.28 | 246.42 | 245.1 | 240.89 | 245.99 | 267.21 | 232.53 | 307.81 | 365.26 | 392.29 | 86.77 |
| 希薄化後一株あたり利益 | 92.29 | 101.44 | 140.23 | 200.55 | 245.4 | 244.06 | 239.52 | 244.55 | 265.88 | 231.73 | 306.89 | 364.35 | 391.57 | 86.69 |
| 配当性向（%） | - | - | - | - | - | - | - | - | ||||||
| 一株あたり配当金 | 25 | 30 | 35 | 45 | 57.5 | 65 | 70 | 75 | 80 | 82.5 | 97.5 | 120 | 140 | 170 |