| 2012/03 | 2013/03 | 2014/03 | 2015/03 | 2016/03 | 2017/03 | 2018/03 | 2019/03 | 2020/03 | 2021/03 | 2022/03 | 2023/03 | 2024/03 | 2025/03 | |
| 売上高 | 94,790 | 95,938 | 124,987 | 125,726 | 120,284 | 115,103 | 125,280 | 124,590 | 121,765 | 133,538 | 163,671 | 183,224 | 165,509 | 189,420 |
| 売上原価 | - | - | - | 69,163 | 65,839 | 61,097 | 67,509 | 69,972 | 70,383 | 76,869 | 88,728 | 95,036 | 93,012 | 104,048 |
| 売上総利益 | - | - | - | 56,563 | 54,444 | 54,005 | 57,771 | 54,618 | 51,382 | 56,669 | 74,943 | 88,188 | 72,497 | 85,372 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業利益 | - | - | - | 32,588 | 28,794 | 28,482 | 28,649 | 23,157 | 20,358 | 27,885 | 40,765 | 46,751 | 34,017 | 42,672 |
| 営業費用 | - | - | - | 23,974 | 25,650 | 25,522 | 29,121 | 30,914 | 30,468 | 30,190 | 34,153 | 40,920 | 37,237 | 42,467 |
| 経常（税引前）利益 | 20,919 | 22,386 | 34,747 | 34,962 | 30,516 | 29,799 | 29,234 | 25,571 | 21,205 | 28,332 | 43,081 | 48,591 | 38,761 | 46,218 |
| 法人税等合計 | - | - | - | 11,603 | 9,423 | 7,980 | 8,865 | 6,780 | 5,900 | 8,416 | 11,644 | 13,943 | 12,281 | 13,185 |
| 純利益 | 8,141 | 7,927 | 10,378 | 23,066 | 21,104 | 21,356 | 19,526 | 17,891 | 15,305 | 19,916 | 31,437 | 34,648 | 26,480 | 33,033 |
| 一株あたり利益 | 366.11 | 390.48 | 652.68 | 674.25 | 596.31 | 611.81 | 560.87 | 489.46 | 420.39 | 549.1 | 885.39 | 1,002.04 | 772.38 | 976.33 |
| 希薄化後一株あたり利益 | - | 390.45 | 652.61 | 674.24 | 596 | 611.7 | 560.6 | 489.45 | 420.37 | 549.04 | 885.16 | 1,001.87 | 772.33 | 976.33 |
| 配当性向（%） | - | - | - | - | - | - | - | - | - | |||||
| 一株あたり配当金 | 130 | 140 | 200 | 230 | 240 | 240 | 480 | 240 | 240 | 240 | 440 | 500 | 440 | 490 |