| （単位：百万円） | 2012/3 | 2013/3 | 2014/3 | 2015/3 | 2016/3 | 2017/3 | 2017/12 | 2018/12 | 2019/12 | 2020/12 | 2021/12 | 2022/12 | 2023/12 | 2024/12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 6,287 | 6,704 | 8,003 | 9,057 | 9,078 | 9,260 | 9,642 | 11,329 | 10,866 | 11,957 | 15,038 | 16,329 | 14,020 | 18,234 |
| 売上原価 | - | - | - | 3,262 | 3,043 | 3,215 | 3,740 | 4,087 | 4,247 | 4,561 | 5,715 | 6,525 | 5,703 | 7,133 |
| 売上総利益 | - | - | - | 5,795 | 6,036 | 6,045 | 5,902 | 7,242 | 6,619 | 7,396 | 9,323 | 9,804 | 8,317 | 11,102 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 3,787 | 3,850 | 4,158 | 3,908 | 5,019 | 4,982 | 5,026 | 5,383 | 5,799 | 5,824 | 6,539 |
| 営業利益 | - | - | - | 2,008 | 2,186 | 1,887 | 1,993 | 2,223 | 1,637 | 2,370 | 3,940 | 4,004 | 2,493 | 4,562 |
| 経常（税引前）利益 | 686 | 956 | 1,551 | 2,129 | 2,208 | 1,888 | 2,063 | 2,237 | 1,722 | 2,388 | 4,104 | 4,247 | 2,683 | 4,683 |
| 法人税等合計 | - | - | - | 780 | 639 | 232 | 536 | 550 | 474 | 713 | 1,142 | 1,160 | 914 | 2,378 |
| 純利益 | 1,052 | 495 | 936 | 1,344 | 1,514 | 1,642 | 1,567 | 1,778 | 1,236 | 1,595 | 2,949 | 3,065 | 2,305 | 2,292 |
| 一株あたり利益 | 2.94 | 31.24 | 46.09 | 66.98 | 76.26 | 84.86 | 81.77 | 92.85 | 65.16 | 84.09 | 155.28 | 161.22 | 122.29 | 122.38 |
| 一株あたり配当金 | 8 | 10 | 10 | 14 | 18 | 20 | 22 | 26 | 26 | 26 | 35 | 45 | 45 | 45 |