| （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 | 13,048 | 13,355 | 14,215 | 15,465 | 15,686 | 14,929 | 15,351 | 15,991 | 15,578 | 13,846 | 14,503 | 13,823 | 14,901 | 15,350 |
| 売上原価 | - | - | - | 9,254 | 9,429 | 9,349 | 9,726 | 10,018 | 9,810 | 9,024 | 9,481 | 8,799 | 9,228 | 9,336 |
| 売上総利益 | - | - | - | 6,211 | 6,258 | 5,580 | 5,625 | 5,973 | 5,768 | 4,822 | 5,023 | 5,024 | 5,673 | 6,014 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 4,364 | 4,346 | 4,267 | 4,296 | 4,447 | 4,384 | 4,073 | 4,159 | 4,378 | 4,566 | 4,658 |
| 営業利益 | - | - | - | 1,846 | 1,911 | 1,313 | 1,328 | 1,525 | 1,383 | 748 | 863 | 646 | 1,107 | 1,356 |
| 経常（税引前）利益 | 890 | 1,088 | 1,500 | 1,906 | 1,932 | 1,367 | 1,405 | 1,566 | 1,459 | 883 | 974 | 753 | 1,169 | 1,460 |
| 法人税等合計 | - | - | - | 683 | 628 | 435 | 458 | 476 | 529 | 308 | 349 | 216 | 398 | 422 |
| 純利益 | 388 | 601 | 935 | 1,222 | 1,275 | 931 | 958 | 1,101 | 926 | 575 | 710 | 587 | 910 | 1,066 |
| 一株あたり利益 | 15.54 | 24.13 | 36.85 | 44.14 | 45.95 | 32.92 | 34.12 | 39.35 | 33.43 | 20.51 | 25.14 | 20.89 | 32.91 | 39.17 |
| 一株あたり配当金 | 8 | 8 | 10 | 10 | 10 | 10 | 10 | 12 | 12 | 10 | 11 | 13 | 16.5 | 20 |