| 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 | 45,474 | 45,737 | 46,516 | 46,835 | 46,321 | 46,593 | 49,753 | 53,086 | 55,381 | 52,278 | 56,300 | 56,787 | 58,026 | 62,531 |
| 売上原価 | - | - | - | 39,476 | 38,703 | 38,421 | 41,919 | 45,661 | 46,953 | 43,320 | 46,676 | 47,051 | 47,448 | 50,651 |
| 売上総利益 | - | - | - | 7,358 | 7,617 | 8,172 | 7,834 | 7,425 | 8,428 | 8,958 | 9,625 | 9,736 | 10,578 | 11,880 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業利益 | - | - | - | 488 | 635 | 1,017 | 304 | -473 | 354 | 725 | 1,217 | 1,352 | 1,932 | 1,735 |
| 営業費用 | - | - | - | 6,870 | 6,983 | 7,155 | 7,530 | 7,898 | 8,074 | 8,232 | 8,407 | 8,384 | 8,646 | 10,145 |
| 経常（税引前）利益 | 1,373 | 1,931 | 1,792 | 830 | 892 | 1,432 | 655 | -115 | 835 | 1,065 | 1,998 | 2,025 | 2,360 | 2,489 |
| 法人税等合計 | - | - | - | 551 | 192 | 297 | 403 | 297 | 248 | 159 | 543 | -73 | 740 | 1,460 |
| 純利益 | 1,070 | 1,325 | 1,344 | -231 | 701 | 1,154 | 1,248 | -856 | 565 | 936 | 1,406 | 1,627 | 1,621 | 3,009 |
| 一株あたり利益 | 21.65 | 26.81 | 27.21 | -4.67 | 14.2 | 23.2 | 125.91 | -86.77 | 56.52 | 94.35 | 140.8 | 162.36 | 161.65 | 300.19 |
| 希薄化後一株あたり利益 | 21.59 | 26.74 | 27.14 | - | 14.17 | 23.15 | 125.78 | - | 56.48 | 94.29 | 140.7 | 162.25 | 161.54 | 299.98 |
| 配当性向（%） | - | - | - | - | - | - | - | - | ||||||
| 一株あたり配当金 | 8 | 8 | 8 | 8 | 8 | 8 | 50 | 50 | 50 | 50 | 50 | 50 | 60 | 70 |