| （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 | 23,550 | 25,208 | 23,848 | 26,217 | 23,704 | 26,300 | 30,074 | 33,778 | 34,857 | 32,905 | 40,519 | 44,021 | 44,744 | 47,070 |
| 売上原価 | - | - | - | 19,653 | 17,866 | 19,356 | 22,359 | 25,207 | 26,380 | 25,264 | 30,233 | 33,644 | 34,561 | 35,829 |
| 売上総利益 | - | - | - | 6,565 | 5,838 | 6,944 | 7,716 | 8,571 | 8,478 | 7,641 | 10,285 | 10,377 | 10,183 | 11,241 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 4,138 | 4,044 | 4,345 | 5,058 | 5,595 | 5,881 | 6,337 | 7,036 | 7,445 | 7,569 | 7,914 |
| 営業利益 | - | - | - | 2,426 | 1,793 | 2,598 | 2,658 | 2,976 | 2,597 | 1,303 | 3,250 | 2,932 | 2,614 | 3,327 |
| 経常（税引前）利益 | 1,487 | 2,340 | 2,497 | 2,675 | 1,986 | 2,617 | 2,809 | 3,218 | 2,854 | 1,418 | 3,488 | 3,235 | 2,835 | 3,574 |
| 法人税等合計 | - | - | - | 972 | 759 | 882 | 978 | 1,040 | 875 | 457 | 1,112 | 1,114 | 855 | 1,025 |
| 純利益 | 799 | 1,037 | 1,414 | 1,517 | 1,105 | 1,764 | 1,813 | 2,305 | 2,095 | 902 | 2,494 | 2,079 | 1,975 | 2,417 |
| 一株あたり利益 | 20.53 | 26.91 | 37.1 | 39.83 | 29.01 | 40.63 | 42.45 | 54.65 | 52.08 | 20.78 | 59.63 | 49.5 | 46.95 | 60.18 |
| 一株あたり配当金 | 6 | 8 | 8 | 8.5 | 8.5 | 9 | 9 | 12 | 12 | 8.5 | 16 | 16 | 18 | 19.5 |