| （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 | 20,616 | 20,941 | 21,653 | 22,492 | 23,546 | 23,066 | 21,517 | 21,945 | 23,833 | 24,658 | 24,794 | 23,588 | 22,769 | 22,537 |
| 売上原価 | - | - | - | 18,134 | 19,036 | 18,587 | 17,337 | 17,524 | 18,828 | 19,795 | 19,759 | 18,288 | 17,051 | 16,283 |
| 売上総利益 | - | - | - | 4,358 | 4,510 | 4,478 | 4,179 | 4,420 | 5,004 | 4,863 | 5,034 | 5,299 | 5,718 | 6,253 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 4,207 | 4,120 | 4,061 | 3,946 | 3,897 | 4,225 | 4,061 | 4,215 | 4,306 | 4,590 | 4,876 |
| 営業利益 | - | - | - | 150 | 389 | 417 | 232 | 522 | 778 | 802 | 819 | 993 | 1,127 | 1,377 |
| 経常（税引前）利益 | 461 | 569 | 573 | 244 | 462 | 489 | 311 | 596 | 845 | 887 | 878 | 1,038 | 1,206 | 1,493 |
| 法人税等合計 | - | - | - | 146 | 194 | 172 | 102 | 190 | 286 | 314 | 276 | 328 | 319 | 456 |
| 純利益 | 177 | 258 | 308 | 136 | 267 | 317 | 209 | 384 | 473 | 736 | 602 | 748 | 895 | 1,145 |
| 一株あたり利益 | 17.68 | 23.04 | 30.87 | 12.22 | 23.86 | 28.33 | 18.72 | 34.28 | 42.3 | 65.73 | 53.76 | 66.86 | 79.92 | 102.26 |
| 一株あたり配当金 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 16 | 12 | 12 | 14 | 18 | 24 | 32 |