| （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 | 14,257 | 13,605 | 15,160 | 14,859 | 17,849 | 16,402 | 16,588 | 18,265 | 17,341 | 18,952 | 19,315 | 19,232 | 22,028 | 22,594 |
| 売上原価 | - | - | - | 10,071 | 12,239 | 11,797 | 11,457 | 10,902 | 10,428 | 11,552 | 11,740 | 11,706 | 14,784 | 13,264 |
| 売上総利益 | - | - | - | 4,788 | 5,610 | 4,605 | 5,131 | 7,364 | 6,913 | 7,400 | 7,575 | 7,526 | 7,244 | 9,330 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 3,488 | 3,733 | 3,831 | 3,892 | 4,477 | 4,657 | 4,930 | 4,816 | 5,591 | 5,625 | 6,337 |
| 営業利益 | - | - | - | 1,299 | 1,876 | 774 | 1,239 | 2,887 | 2,257 | 2,470 | 2,759 | 1,934 | 1,618 | 2,993 |
| 経常（税引前）利益 | 1,650 | 1,421 | 965 | 1,375 | 1,892 | 835 | 1,244 | 2,894 | 2,311 | 2,507 | 2,859 | 2,012 | 1,704 | 3,140 |
| 法人税等合計 | - | - | - | 791 | 719 | 324 | 370 | 913 | 770 | 756 | 919 | 822 | 861 | 1,026 |
| 純利益 | 44 | 727 | 513 | 538 | 974 | 314 | 710 | 1,927 | 1,677 | 1,703 | 1,931 | 1,728 | 2,006 | 2,121 |
| 一株あたり利益 | 459.77 | 74.61 | 52.65 | 55.26 | 99.93 | 32.27 | 72.88 | 197.74 | 174.88 | 178.67 | 202.4 | 181.03 | 209.33 | 222.22 |
| 一株あたり配当金 | 4400 | 4400 | 40 | 40 | 44 | 44 | 40 | 45 | 50 | 55 | 65 | 75 | 85 | 95 |