| （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 | 8,109 | 8,347 | 9,413 | 10,138 | 10,419 | 10,656 | 10,457 | 11,372 | 11,429 | 9,698 | 10,034 | 11,168 | 12,872 | 12,383 |
| 売上原価 | - | - | - | 5,874 | 6,047 | 6,064 | 6,073 | 6,685 | 6,835 | 5,789 | 6,098 | 6,736 | 7,461 | 7,178 |
| 売上総利益 | - | - | - | 4,264 | 4,373 | 4,592 | 4,384 | 4,686 | 4,594 | 3,909 | 3,936 | 4,432 | 5,412 | 5,205 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 2,651 | 2,775 | 2,796 | 2,926 | 3,224 | 3,431 | 2,992 | 2,926 | 3,254 | 3,743 | 3,816 |
| 営業利益 | - | - | - | 1,613 | 1,597 | 1,796 | 1,457 | 1,462 | 1,162 | 916 | 1,010 | 1,177 | 1,668 | 1,389 |
| 経常（税引前）利益 | 802 | 948 | 1,218 | 1,726 | 1,685 | 1,850 | 1,502 | 1,480 | 1,189 | 984 | 1,069 | 1,260 | 1,739 | 1,447 |
| 法人税等合計 | - | - | - | 602 | 541 | 617 | 501 | 451 | 370 | 305 | 388 | 391 | 559 | 486 |
| 純利益 | 555 | 586 | 779 | 1,159 | 1,173 | 1,263 | 1,086 | 1,028 | 739 | 679 | 681 | 868 | 1,188 | 1,039 |
| 一株あたり利益 | 82.23 | 86.95 | 115.42 | 171.77 | 173.8 | 187.19 | 160.98 | 152.39 | 109.52 | 100.67 | 100.96 | 128.74 | 175.26 | 152.64 |
| 一株あたり配当金 | 25 | 27 | 30 | 40 | 45 | 47 | 48 | 48 | 48 | 28 | 30 | 35 | 62 | 57 |