| （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 | 21,271 | 20,963 | 21,738 | 22,587 | 22,563 | 21,863 | 21,923 | 22,629 | 22,321 | 21,871 | 22,700 | 24,403 | 26,386 | 26,168 |
| 売上原価 | - | - | - | 17,984 | 18,104 | 17,282 | 16,910 | 17,773 | 17,563 | 17,487 | 17,966 | 19,493 | 21,584 | 21,301 |
| 売上総利益 | - | - | - | 4,603 | 4,459 | 4,582 | 5,013 | 4,856 | 4,758 | 4,383 | 4,734 | 4,910 | 4,802 | 4,867 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 3,377 | 3,330 | 3,254 | 3,475 | 3,568 | 3,560 | 3,647 | 3,769 | 3,678 | 3,741 | 3,804 |
| 営業利益 | - | - | - | 1,226 | 1,129 | 1,327 | 1,537 | 1,287 | 1,198 | 736 | 964 | 1,232 | 1,061 | 1,063 |
| 経常（税引前）利益 | 1,907 | 1,715 | 1,976 | 1,404 | 1,318 | 1,494 | 1,725 | 1,487 | 1,423 | 977 | 1,196 | 1,496 | 1,383 | 1,401 |
| 法人税等合計 | - | - | - | 515 | 454 | 510 | 539 | 532 | 464 | 263 | 383 | 468 | 498 | 643 |
| 純利益 | 1,198 | 971 | 1,171 | 882 | 866 | 975 | 1,178 | 1,122 | 1,007 | 527 | 831 | 931 | 968 | 953 |
| 一株あたり利益 | 50.66 | 41.73 | 50.34 | 37.9 | 37.22 | 41.83 | 50.64 | 48.22 | 43.29 | 22.68 | 35.74 | 40.04 | 41.51 | 40.81 |
| 一株あたり配当金 | 13 | 11 | 12 | 12 | 12 | 13 | 15 | 14 | 14 | 14 | 14 | 15 | 17 | 41 |