| （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 | 37,750 | 38,257 | 39,790 | 41,522 | 45,001 | 47,115 | 49,375 | 52,672 | 53,947 | 54,948 | 55,074 | 41,924 | 44,296 | 42,924 |
| 売上原価 | - | - | - | - | - | - | - | - | 31,888 | 32,488 | 32,181 | 35,452 | 37,590 | - |
| 売上総利益 | - | - | - | 16,790 | 18,979 | 22,252 | 23,015 | 23,517 | 22,059 | 22,461 | 22,893 | 6,472 | 6,706 | 8,305 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 14,869 | 15,985 | 17,054 | 18,144 | 19,159 | 19,825 | 20,520 | 20,526 | 6,126 | 6,080 | 6,440 |
| 営業利益 | - | - | - | 1,920 | 2,995 | 5,197 | 4,871 | 4,358 | 2,234 | 1,940 | 2,366 | 345 | 626 | 1,865 |
| 経常（税引前）利益 | 3,492 | 3,114 | 2,398 | 2,027 | 3,038 | 5,206 | 4,886 | 4,325 | 2,182 | 1,667 | 2,232 | 359 | 652 | 1,957 |
| 法人税等合計 | - | - | - | 743 | 1,180 | 1,755 | 1,549 | 1,377 | 477 | 362 | 1,266 | 114 | 165 | 359 |
| 純利益 | 1,907 | 1,859 | 1,459 | 1,019 | 1,945 | 3,431 | 3,331 | 2,936 | 980 | 956 | 2,272 | 219 | 446 | 1,041 |
| 一株あたり利益 | 89.99 | 89.22 | 70.66 | 49.57 | 94.64 | 173.89 | 170.95 | 150.67 | 50.31 | 49.11 | 116.59 | 11.29 | 22.91 | 53.44 |
| 一株あたり配当金 | 12.5 | 15 | 15 | 15 | 17.5 | 20 | 20 | 25 | 20 | 20 | 20 | 20 | 25 | 20 |