| （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 | 230,282 | 244,059 | 244,995 | 249,016 | 251,204 | 245,837 | 255,028 | 261,553 | 274,796 | 207,761 | 214,157 | 252,338 | 296,509 | 319,314 |
| 営業費用 | - | - | - | 35,031 | 35,324 | 34,708 | 35,204 | 36,630 | 39,328 | 36,721 | 38,323 | 43,930 | 49,479 | 52,682 |
| 営業利益 | - | - | - | 24,313 | 28,234 | 30,048 | 30,085 | 31,608 | 28,320 | -18,056 | -5,201 | 10,228 | 25,241 | 36,008 |
| 経常（税引前）利益 | 22,240 | 30,602 | 36,980 | 37,169 | 42,572 | 47,064 | 47,145 | 50,720 | 41,705 | -32,165 | -3,191 | 26,764 | 51,591 | 61,755 |
| 法人税等合計 | - | - | - | 9,323 | 8,932 | 8,944 | 9,459 | 10,115 | 9,250 | -2,034 | 773 | 4,892 | 32,653 | 28,688 |
| 純利益 | 6,236 | 6,006 | 9,001 | 27,154 | 32,920 | 37,651 | 36,566 | 40,448 | 31,707 | -30,289 | -3,664 | 27,966 | 89,286 | 72,061 |
| 一株あたり利益 | 39.79 | 64.91 | 79.9 | 75.86 | 91.55 | 210.96 | 205.66 | 228.29 | 178.07 | -179.65 | -26.33 | 161.72 | 524.57 | 143.46 |
| 一株あたり配当金 | 5 | 5.5 | 6 | 6 | 6.5 | 11 | 15 | 17 | 17 | 17 | 17 | 20 | 39 | 33 |