| （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 | 20,332 | 20,351 | 18,310 | 18,805 | 19,683 | 19,717 | 21,304 | 22,950 | 24,039 | 23,321 | 25,664 | 25,118 | 29,016 | 31,778 |
| 売上原価 | - | - | - | 10,696 | 11,048 | 10,966 | 11,513 | 12,016 | 12,680 | 12,458 | 13,241 | 15,444 | 17,277 | 18,592 |
| 売上総利益 | - | - | - | 8,110 | 8,635 | 8,750 | 9,791 | 10,934 | 11,359 | 10,864 | 12,423 | 9,674 | 11,738 | 13,186 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 8,253 | 8,302 | 8,159 | 8,856 | 9,930 | 10,435 | 10,027 | 11,163 | 7,741 | 8,350 | 8,902 |
| 営業利益 | - | - | - | -144 | 333 | 591 | 935 | 1,003 | 923 | 836 | 1,259 | 1,933 | 3,389 | 4,284 |
| 経常（税引前）利益 | 916 | 670 | 239 | -81 | 299 | 612 | 999 | 1,045 | 1,007 | 860 | 1,296 | 2,001 | 3,433 | 4,315 |
| 法人税等合計 | - | - | - | 202 | 105 | -10 | 296 | 306 | 228 | 298 | 370 | 585 | 922 | 1,093 |
| 純利益 | 402 | 301 | 46 | -496 | 86 | 500 | 447 | 1,011 | 651 | 610 | 882 | 1,346 | 2,463 | 3,260 |
| 一株あたり利益 | 21.82 | 16.37 | 2.54 | -27.34 | 4.79 | 27.62 | 124.38 | 282.37 | 92.36 | 86.58 | 125.12 | 96.08 | 177.09 | 232.56 |
| 一株あたり配当金 | 12 | 16 | 12 | 12 | 12 | 12 | 36 | 65 | 45 | 32 | 40 | 44 | 58 | 93 |