| （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 | 203,697 | 192,260 | 198,161 | 204,362 | 206,831 | 208,718 | 215,407 | 227,185 | 229,057 | 213,729 | 257,230 | 300,594 | 254,507 | 284,069 |
| 営業費用 | - | - | - | 9,686 | 9,684 | 10,396 | 10,393 | 10,699 | 10,721 | 10,118 | 10,487 | 11,667 | 13,294 | 16,124 |
| 営業利益 | - | - | - | 11,449 | 11,309 | 12,748 | 12,421 | 12,660 | 12,195 | 11,735 | 18,144 | 23,027 | 18,941 | 20,310 |
| 経常（税引前）利益 | 14,508 | 14,526 | 14,113 | 14,456 | 14,025 | 16,056 | 16,160 | 17,333 | 16,822 | 16,013 | 23,151 | 30,046 | 24,358 | 18,620 |
| 法人税等合計 | - | - | - | 5,567 | 5,258 | 5,032 | 4,698 | 4,996 | 4,705 | 16,714 | 7,565 | 13,202 | 11,025 | 17,001 |
| 純利益 | 7,287 | 7,393 | 7,789 | 9,284 | 9,412 | 10,763 | 10,672 | 11,795 | 12,031 | 39,397 | 18,359 | 27,748 | 28,145 | 32,222 |
| 一株あたり利益 | 43.16 | 49.02 | 48.62 | 52.12 | 53.37 | 60.88 | 120.07 | 132.03 | 137.31 | 462.28 | 219.47 | 342 | 359.46 | 85.92 |
| 一株あたり配当金 | 12 | 12 | 12 | 12 | 12 | 14 | 21 | 45 | 60 | 60 | 80 | 90 | 120 | 32 |