| （単位：百万円） | 2012/3 | 2013/3 | 2014/3 | 2015/3 | 2016/3 | 2017/3 | 2018/3 | 2019/3 | 2020/3 | 2020/12 | 2021/12 | 2022/12 | 2023/12 | 2024/12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 30,816 | 32,713 | 36,277 | 34,136 | 36,514 | 36,094 | 38,566 | 36,900 | 37,813 | 21,404 | 29,387 | 32,380 | 38,462 | 45,637 |
| 売上原価 | - | - | - | 23,454 | 25,242 | 24,254 | 25,906 | 24,840 | 25,608 | 14,311 | 19,242 | 21,478 | 25,677 | 30,339 |
| 売上総利益 | - | - | - | 10,683 | 11,272 | 11,840 | 12,660 | 12,060 | 12,205 | 7,093 | 10,146 | 10,902 | 12,785 | 15,298 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 9,440 | 9,684 | 9,687 | 9,945 | 10,013 | 10,439 | 7,041 | 9,373 | 9,778 | 10,722 | 12,119 |
| 営業利益 | - | - | - | 1,242 | 1,588 | 2,153 | 2,715 | 2,047 | 1,765 | 51 | 772 | 1,124 | 2,063 | 3,179 |
| 経常（税引前）利益 | 1,531 | 1,921 | 2,114 | 1,439 | 1,647 | 2,271 | 2,783 | 2,180 | 1,829 | 185 | 1,206 | 1,576 | 2,397 | 3,408 |
| 法人税等合計 | - | - | - | 632 | 826 | 860 | 795 | 655 | 688 | 207 | 434 | 518 | 715 | 1,115 |
| 純利益 | 550 | 776 | 820 | 502 | 678 | 1,502 | 1,965 | 1,496 | 1,109 | 11 | 649 | 992 | 1,674 | 2,291 |
| 一株あたり利益 | 140.93 | 190.16 | 174.96 | 76.72 | 103.46 | 229.33 | 299.87 | 114.15 | 84.64 | 0.89 | 49.56 | 75.73 | 127.74 | 172.92 |
| 一株あたり配当金 | 13 | 16 | 20 | 20 | 20 | 25 | 40 | 20 | 20 | 20 | 20 | 22 | 24 | 40 |