| （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 | 366,838 | 382,249 | 393,986 | 399,863 | 408,239 | 415,413 | 425,821 | 434,894 | 433,147 | 295,729 | 306,904 | 345,370 | 389,267 | 407,832 |
| 営業費用 | - | - | - | 42,405 | 40,744 | 46,106 | 47,548 | 50,473 | 52,168 | 46,958 | 47,316 | 48,520 | 49,210 | 52,856 |
| 営業利益 | - | - | - | 97,255 | 101,470 | 101,077 | 97,187 | 98,566 | 83,917 | -40,299 | -12,117 | 27,777 | 76,359 | 86,942 |
| 経常（税引前）利益 | 58,543 | 73,381 | 86,514 | 89,580 | 88,657 | 89,117 | 87,719 | 89,191 | 74,910 | -47,689 | -20,497 | 19,694 | 65,866 | 77,008 |
| 法人税等合計 | - | - | - | 32,240 | 32,279 | 28,594 | 27,471 | 27,556 | 23,675 | 3,532 | -9,579 | -7,809 | 19,279 | 20,584 |
| 純利益 | 29,901 | 43,080 | 49,380 | 52,330 | 57,696 | 62,256 | 60,370 | 60,709 | 51,391 | -52,927 | -13,397 | 27,771 | 46,262 | 53,748 |
| 一株あたり利益 | 53.99 | 77.87 | 88.91 | 90.07 | 99.3 | 107.15 | 103.91 | 104.49 | 88.45 | -91.1 | -23.06 | 47.8 | 79.63 | 92.51 |
| 一株あたり配当金 | 18 | 20 | 22 | 22 | 24 | 26 | 26 | 26 | 26 | 16 | 16 | 20 | 32 | 40 |