| 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 | 110,300 | 117,884 | 125,412 | 120,689 | 131,742 | 146,083 | 161,673 | 177,648 | 179,948 | 206,499 | 220,128 | 212,376 | 208,298 | 210,856 |
| 売上成長率（％） | - | |||||||||||||
| 売上原価 | - | - | - | 53,543 | 59,241 | 64,306 | 71,774 | 76,275 | 74,908 | 84,935 | 90,822 | 86,674 | 81,953 | 81,604 |
| 売上総利益 | - | - | - | 67,146 | 72,501 | 81,776 | 89,898 | 101,372 | 105,040 | 121,564 | 129,305 | 125,701 | 126,345 | 129,251 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業利益率 (%) | - | - | - | |||||||||||
| 営業利益 | - | - | - | 6,376 | 8,366 | 10,882 | 13,008 | 12,005 | 10,311 | 15,734 | 13,827 | 11,217 | 9,787 | 11,887 |
| 営業費用 | - | - | - | 60,782 | 64,134 | 70,880 | 76,889 | 89,359 | 94,751 | 105,821 | 115,478 | 114,484 | 116,557 | 117,364 |
| 経常（税引前）利益 | 7,151 | 8,910 | 10,431 | 10,052 | 7,105 | 12,188 | 13,248 | 15,309 | 10,365 | 16,872 | 14,537 | 12,459 | 11,831 | 13,255 |
| 経常（税引前）利益率（％） | 6.5 | 7.6 | 8.3 | 8.3 | 5.4 | 8.3 | 8.2 | 8.6 | 5.8 | 8.2 | 6.6 | 5.9 | 5.7 | 6.3 |
| 法人税等合計 | - | - | - | 3,231 | 2,511 | 4,080 | 4,047 | 5,167 | 3,709 | 6,723 | 5,047 | 4,497 | 4,055 | 4,381 |
| 実効税率（％） | - | - | - | |||||||||||
| 純利益 | 4,561 | 4,291 | 6,856 | 6,394 | 3,544 | 5,802 | 9,686 | 10,343 | 5,862 | 7,441 | 5,730 | 4,109 | 4,453 | 2,511 |
| 純利益率（％） | ||||||||||||||
| 一株あたり利益 | 86.53 | 60.18 | 72.12 | 65.77 | 36.45 | 59.68 | 99.41 | 106.39 | 60.62 | 114.17 | 105.55 | 76.71 | 60.39 | 91.25 |
| 希薄化後一株あたり利益 | 81.2 | 60.18 | 72.12 | 65.77 | 36.45 | 59.68 | 99.41 | 106.39 | 60.62 | 114.17 | 105.55 | 76.71 | 60.39 | 91.25 |
| 配当性向（%） | ||||||||||||||
| 一株あたり配当金 | 15 | 15 | 18.75 | 12.5 | 12.5 | 12.5 | 12.5 | 15 | 16 | 16.5 | 19 | 20 | 20.5 | 29 |
| EBITDA | - | - | - | |||||||||||
| EBITDAマージン（％） | - | - | - |