| （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 | 33,928 | 37,048 | 41,463 | 45,559 | 46,002 | 42,624 | 43,040 | 44,015 | 43,909 | 37,014 | 41,065 | 54,687 | 55,475 | 54,739 |
| 売上原価 | - | - | - | 24,659 | 24,694 | 21,741 | 21,444 | 21,935 | 21,484 | 18,412 | 19,312 | 21,076 | 22,404 | 21,921 |
| 売上総利益 | - | - | - | 20,899 | 21,307 | 20,883 | 21,596 | 22,080 | 22,425 | 18,601 | 21,753 | 33,611 | 33,070 | 32,818 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 19,721 | 20,790 | 20,056 | 20,137 | 20,422 | 20,782 | 17,964 | 19,027 | 29,907 | 30,001 | 30,287 |
| 営業利益 | - | - | - | 1,177 | 516 | 826 | 1,459 | 1,657 | 1,642 | 636 | 2,725 | 3,703 | 3,069 | 2,530 |
| 経常（税引前）利益 | 1,152 | 2,129 | 1,680 | 1,623 | 660 | 964 | 1,747 | 1,821 | 1,765 | 848 | 2,973 | 4,005 | 3,578 | 2,880 |
| 法人税等合計 | - | - | - | 179 | 7 | 278 | 91 | -514 | 1,229 | 322 | 780 | 1,383 | 883 | 845 |
| 純利益 | 818 | 2,170 | 1,356 | 1,262 | 441 | 256 | 1,536 | 2,194 | 1,957 | 438 | 1,996 | 2,665 | 2,458 | 1,925 |
| 一株あたり利益 | 23.92 | 62.11 | 35.48 | 33.05 | 11.56 | 6.73 | 40.26 | 283.34 | 254.74 | 56.19 | 259.67 | 355.24 | 333.49 | 259.79 |
| 一株あたり配当金 | 2.5 | 4 | 3 | 3 | 3 | 5 | 6 | 30 | 30 | 30 | 40 | 60 | 80 | 100 |