| （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 | 18,918 | 16,358 | 16,537 | 18,090 | 20,460 | 19,949 | 20,002 | 22,342 | 24,514 | 23,383 | 24,596 | 25,007 | 27,071 | 29,099 |
| 売上原価 | - | - | - | 15,066 | 17,271 | 16,424 | 16,363 | 18,574 | 20,758 | 19,214 | 20,181 | 20,536 | 22,400 | 23,904 |
| 売上総利益 | - | - | - | 3,023 | 3,189 | 3,524 | 3,639 | 3,767 | 3,755 | 4,169 | 4,415 | 4,470 | 4,671 | 5,194 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 2,535 | 2,557 | 2,658 | 2,803 | 2,872 | 2,847 | 2,844 | 3,008 | 3,030 | 3,048 | 3,178 |
| 営業利益 | - | - | - | 487 | 632 | 866 | 835 | 895 | 907 | 1,325 | 1,406 | 1,440 | 1,622 | 2,016 |
| 経常（税引前）利益 | 462 | 245 | 377 | 529 | 576 | 862 | 877 | 943 | 1,006 | 1,347 | 1,540 | 1,612 | 1,816 | 2,359 |
| 法人税等合計 | - | - | - | 94 | 309 | 375 | 261 | 327 | 306 | 307 | 484 | 529 | 613 | 822 |
| 純利益 | 417 | 19 | 340 | 435 | 266 | 676 | 615 | 616 | 700 | 1,039 | 1,056 | 1,082 | 1,202 | 1,536 |
| 一株あたり利益 | 38.15 | 1.66 | 28.8 | 36.86 | 22.74 | 59.29 | 53.94 | 53.74 | 57.99 | 85.88 | 87.17 | 89.25 | 98.92 | 124.21 |
| 一株あたり配当金 | 11.5 | 7.5 | 10 | 10 | 11 | 15 | 16 | 18 | 20 | 25 | 30 | 30 | 35 | 40 |