| （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 | 47,790 | 47,226 | 47,878 | 44,428 | 48,573 | 46,927 | 46,185 | 44,308 | 44,043 | 39,639 | 37,627 | 34,274 | 39,972 | 39,424 |
| 売上原価 | - | - | - | 28,200 | 32,881 | 30,322 | 29,711 | 28,514 | 27,986 | 24,391 | 23,390 | 21,364 | 24,601 | 24,678 |
| 売上総利益 | - | - | - | 16,228 | 15,691 | 16,605 | 16,474 | 15,793 | 16,057 | 15,247 | 14,236 | 12,909 | 15,371 | 14,746 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 15,823 | 15,881 | 15,118 | 14,572 | 14,262 | 13,488 | 11,651 | 11,439 | 11,539 | 11,567 | 10,621 |
| 営業利益 | - | - | - | 404 | -190 | 1,486 | 1,901 | 1,531 | 2,569 | 3,595 | 2,797 | 1,369 | 3,803 | 4,124 |
| 経常（税引前）利益 | 2,722 | 2,318 | 2,046 | 890 | 507 | 2,152 | 2,660 | 2,456 | 3,430 | 4,544 | 3,855 | 2,582 | 5,068 | 5,483 |
| 法人税等合計 | - | - | - | 390 | 435 | 1,033 | 714 | 593 | 1,084 | 1,116 | 2,345 | 1,234 | 1,331 | 3,653 |
| 純利益 | 1,772 | 701 | 1,001 | 268 | 226 | 1,871 | 1,505 | 1,498 | 1,982 | 3,353 | 5,145 | 2,817 | 3,231 | 3,744 |
| 一株あたり利益 | 50.41 | 19.95 | 28.5 | 7.62 | 6.44 | 48.11 | 34.83 | 36.56 | 49.42 | 82.71 | 147.56 | 84.91 | 91.91 | 107.72 |
| 一株あたり配当金 | 10 | 10 | 10 | 10 | 10 | 10 | 12 | 12 | 14 | 16 | 20 | 16 | 20 | 50 |