| （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 | 17,453 | 18,196 | 18,249 | 15,950 | 13,903 | 12,923 | 11,446 | 10,871 | 9,251 | 6,728 | 6,339 | 6,376 | 5,096 | 4,757 |
| 売上総利益 | - | - | - | 3,077 | 2,477 | 2,851 | 2,628 | 2,413 | 2,257 | 1,728 | 1,614 | 1,487 | 1,268 | 1,427 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 3,147 | 2,834 | 2,748 | 2,664 | 2,666 | 2,463 | 1,990 | 1,848 | 1,739 | 1,477 | 1,420 |
| 営業利益 | - | - | - | -70 | -358 | 102 | -36 | -253 | -206 | -263 | -234 | -252 | -209 | 6 |
| 経常（税引前）利益 | 839 | 678 | -77 | 89 | -160 | 263 | 102 | -145 | 46 | -144 | -112 | -20 | -179 | 102 |
| 法人税等合計 | - | - | - | 46 | 39 | -22 | 46 | 100 | 55 | 3 | 4 | 3 | 3 | 7 |
| 純利益 | 496 | 369 | -11 | -441 | 46 | 308 | 76 | -302 | -26 | -193 | -218 | -7 | -136 | 124 |
| 一株あたり利益 | 97.26 | 72.48 | -1.99 | -86.4 | 9.06 | 60.62 | 15.03 | -591.11 | -50.54 | -378.08 | -427.75 | -12.07 | -266.53 | 24.44 |
| 一株あたり配当金 | 15 | 16 | 12 | 12 | 12 | 12 | 12 | 66 | 120 | 114 | 114 | 106 | 106 | 112 |