| （単位：百万円） | 2011/12 | 2012/12 | 2013/12 | 2014/12 | 2015/12 | 2016/12 | 2017/12 | 2018/12 | 2019/12 | 2020/12 | 2021/12 | 2022/12 | 2023/12 | 2024/12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 25,612 | 25,651 | 29,578 | 30,277 | 30,531 | 31,436 | 31,949 | 29,471 | 29,887 | 27,261 | 26,370 | 30,759 | 32,203 | 27,292 |
| 売上原価 | - | - | - | 23,756 | 23,379 | 24,026 | 24,892 | 23,200 | 23,458 | 21,309 | 20,463 | 24,964 | 26,288 | 21,112 |
| 売上総利益 | - | - | - | 6,521 | 7,153 | 7,411 | 7,057 | 6,271 | 6,429 | 5,952 | 5,908 | 5,795 | 5,916 | 6,180 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 5,181 | 5,149 | 5,377 | 5,161 | 4,951 | 5,085 | 4,647 | 4,641 | 4,693 | 4,599 | 5,046 |
| 営業利益 | - | - | - | 1,339 | 2,003 | 2,033 | 1,896 | 1,320 | 1,344 | 1,304 | 1,266 | 1,102 | 1,316 | 1,134 |
| 経常（税引前）利益 | 1,247 | 1,149 | 1,197 | 1,295 | 2,008 | 2,038 | 1,891 | 1,292 | 1,371 | 1,301 | 1,323 | 1,181 | 1,330 | 1,155 |
| 法人税等合計 | - | - | - | 442 | 757 | 786 | 479 | 367 | 439 | 383 | 400 | 412 | 431 | 406 |
| 純利益 | 528 | 406 | 503 | 531 | 1,074 | 1,424 | 1,362 | 736 | 1,115 | 893 | 866 | 836 | 914 | 748 |
| 一株あたり利益 | 48.28 | 37.16 | 46.02 | 48.64 | 98.27 | 116.44 | 1194.47 | 652.02 | 979.93 | 727.79 | 669.02 | 672.07 | 767.98 | 602.24 |
| 一株あたり配当金 | 8 | 8 | 8 | 8 | 8 | 13 | 85 | 100 | 140 | 100 | 160 | 150 | 230 | 200 |