| （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 | 57,072 | 56,276 | 54,808 | 59,640 | 58,094 | 56,620 | 56,061 | 55,997 | 55,292 | 51,443 | 51,998 | 51,605 | 56,371 | 56,860 |
| 売上原価 | - | - | - | 39,296 | 38,040 | 36,172 | 35,415 | 35,961 | 35,415 | 34,149 | 34,211 | 36,356 | 39,205 | 38,741 |
| 売上総利益 | - | - | - | 20,344 | 20,053 | 20,448 | 20,645 | 20,036 | 19,876 | 17,293 | 17,786 | 15,249 | 17,166 | 18,118 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 19,243 | 19,041 | 18,001 | 18,386 | 17,902 | 17,819 | 16,444 | 17,087 | 14,641 | 15,440 | 15,914 |
| 営業利益 | - | - | - | 1,100 | 1,012 | 2,446 | 2,258 | 2,133 | 2,057 | 848 | 698 | 608 | 1,725 | 2,204 |
| 経常（税引前）利益 | 1,503 | 629 | 789 | 1,116 | 1,030 | 2,441 | 2,431 | 2,220 | 2,086 | 1,260 | 1,117 | 833 | 1,727 | 2,209 |
| 法人税等合計 | - | - | - | 616 | 551 | 866 | 991 | 663 | 697 | 413 | 400 | 289 | 660 | 799 |
| 純利益 | 2,651 | 722 | 362 | 609 | 516 | 1,587 | 1,884 | 1,412 | 1,420 | 839 | 632 | 556 | 1,312 | 1,545 |
| 一株あたり利益 | 72.56 | 19.76 | 9.92 | 16.68 | 14.14 | 43.45 | 51.6 | 193.33 | 194.44 | 114.94 | 87.49 | 81.77 | 96.48 | 113.57 |
| 一株あたり配当金 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 36 | 60 | 60 | 60 | 60 | 45 | 30 |