| （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 | 38,172 | 36,707 | 35,008 | 34,581 | 32,064 | 25,312 | 25,495 | 25,789 | 27,724 | 28,004 | 29,859 | 33,940 | 39,203 | 38,960 |
| 売上原価 | - | - | - | 32,120 | 29,980 | 23,093 | 23,350 | 23,464 | 25,194 | 25,396 | 26,946 | 30,373 | 35,202 | 34,758 |
| 売上総利益 | - | - | - | 2,461 | 2,083 | 2,219 | 2,145 | 2,325 | 2,531 | 2,608 | 2,913 | 3,567 | 4,001 | 4,202 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 2,081 | 2,330 | 1,907 | 1,973 | 2,225 | 2,310 | 2,403 | 2,717 | 2,918 | 3,417 | 3,559 |
| 営業利益 | - | - | - | 379 | -247 | 312 | 171 | 100 | 221 | 205 | 196 | 648 | 583 | 643 |
| 経常（税引前）利益 | 997 | 1,070 | 679 | 258 | -665 | 225 | 294 | 45 | 228 | 415 | 275 | 536 | 595 | 679 |
| 法人税等合計 | - | - | - | 178 | 66 | 115 | 66 | 135 | 45 | 94 | 122 | 133 | 108 | 75 |
| 純利益 | 467 | 659 | 261 | 39 | -1,334 | 156 | 215 | -830 | 363 | 328 | -71 | 995 | 413 | 367 |
| 一株あたり利益 | 173.41 | 246.77 | 98.93 | 14.85 | -504.4 | 60.1 | 82.95 | -319.72 | 140.14 | 57.85 | -16.76 | 177.75 | 51.87 | 41.05 |
| 希薄化後一株あたり利益 | - | - | - | - | - | - | 82 | 69.76 | - | 56.79 | 17.51 | 175 | 51.61 | 40.99 |
| 配当性向（%） | - | - | - | - | - | - | - | - | - | - | ||||
| 一株あたり配当金 | 17 | 22 | 20 | 20 | 20 | 15 | 22 | 22 | 20 | 15 | 10 | 12 | 12 | 12 |