| 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 | 2026/03 | |
| 売上高 | 63,011 | 64,168 | 69,801 | 68,052 | 70,123 | 67,826 | 68,840 | 67,043 | 67,727 | 64,735 | 65,903 | 65,897 | 62,790 | 74,231 | 78,163 |
| 売上成長率（％） | - | ||||||||||||||
| 売上原価 | - | - | - | 48,077 | 48,986 | 46,426 | 46,951 | 45,474 | 45,709 | 43,109 | 44,364 | 45,844 | 43,656 | 51,918 | 53,823 |
| 売上総利益 | - | - | - | 19,975 | 21,137 | 21,399 | 21,889 | 21,568 | 22,017 | 21,625 | 21,539 | 20,053 | 19,133 | 22,313 | 24,339 |
| 売上総利益率（％） | - | - | - | ||||||||||||
| 営業利益率 (%) | - | - | - | ||||||||||||
| 営業費用 | - | - | - | 10,822 | 11,472 | 11,493 | 11,543 | 11,486 | 11,664 | 10,956 | 10,656 | 11,045 | 12,834 | 17,302 | 18,654 |
| 営業利益 | - | - | - | 9,152 | 9,664 | 9,906 | 10,345 | 10,082 | 10,353 | 10,669 | 10,883 | 9,007 | 6,298 | 5,011 | 5,685 |
| 経常（税引前）利益 | 8,773 | 9,139 | 9,778 | 9,456 | 9,878 | 10,198 | 10,786 | 10,647 | 10,860 | 11,259 | 11,397 | 9,501 | 6,969 | 5,447 | 6,261 |
| 経常（税引前）利益率（％） | 13.9 | 14.2 | 14 | 13.9 | 14.1 | 15 | 15.7 | 15.9 | 16 | 17.4 | 17.3 | 14.4 | 11.1 | 7.3 | 8 |
| 法人税等合計 | - | - | - | 2,938 | 3,176 | 3,171 | 3,303 | 3,218 | 3,231 | 3,503 | 3,509 | 3,037 | 2,373 | 1,691 | 2,308 |
| 実効税率（％） | - | - | - | ||||||||||||
| 純利益 | 4,052 | 4,298 | 5,080 | 6,341 | 6,516 | 6,769 | 7,345 | 7,172 | 7,297 | 7,706 | 7,838 | 6,825 | 4,795 | 3,681 | 3,003 |
| 一株あたり利益 | 110.83 | 121.66 | 133.07 | 139.76 | 142.45 | 148.04 | 162.46 | 158.82 | 162.62 | 174.13 | 184.23 | 163.75 | 131.2 | 112.06 | 130.51 |
| 一株あたり配当金 | - | - | - | - | - | - | - | - | 50 | 56 | 62 | 63 | 65 | 70 | 72 |