| （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 | 15,679 | 16,457 | 19,070 | 19,696 | 20,126 | 16,567 | 14,308 | 12,543 | 10,386 | 9,125 | 12,372 | 12,401 | 12,601 | 12,516 |
| 売上原価 | - | - | - | 16,022 | 16,194 | 12,998 | 10,867 | 9,176 | 7,763 | 6,430 | 8,469 | 8,356 | 8,591 | 8,380 |
| 売上総利益 | - | - | - | 3,674 | 3,932 | 3,569 | 3,441 | 3,367 | 2,622 | 2,695 | 3,903 | 4,046 | 4,011 | 4,136 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 2,122 | 2,168 | 2,066 | 2,037 | 1,942 | 1,905 | 1,928 | 2,632 | 2,735 | 2,976 | 2,954 |
| 営業利益 | - | - | - | 1,550 | 1,763 | 1,502 | 1,403 | 1,424 | 716 | 765 | 1,270 | 1,310 | 1,035 | 1,181 |
| 経常（税引前）利益 | 843 | 1,230 | 1,379 | 1,597 | 1,823 | 1,550 | 1,476 | 1,497 | 828 | 838 | 1,338 | 1,479 | 1,159 | 1,359 |
| 法人税等合計 | - | - | - | 615 | 664 | 477 | 467 | 485 | 381 | 240 | 295 | 260 | 203 | 345 |
| 純利益 | 256 | 779 | 874 | 1,009 | 1,158 | 1,073 | 1,128 | 1,169 | 526 | 585 | 387 | 826 | 385 | 1,115 |
| 一株あたり利益 | 43.46 | 132.24 | 148.36 | 171.39 | 196.55 | 182.14 | 191.55 | 198.52 | 89.72 | 103.64 | 68.67 | 147.62 | 68.83 | 198.99 |
| 一株あたり配当金 | 27 | 36 | 40 | 45 | 52 | 52 | 55 | 58 | 58 | 65 | 67 | 70 | 72 | 74 |