| （単位：%） | 2011/12 | 2012/12 | 2013/12 | 2014/12 | 2015/12 | 2016/12 | 2017/12 | 2018/12 | 2021/12 | 2022/12 | 2023/12 | 2024/12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 106,535 | 111,523 | 114,817 | 117,206 | 120,817 | 125,537 | 135,302 | 148,266 | 154,147 | 182,476 | 197,511 | 199,189 |
| 売上成長率（％） | - | 9.6 | - | 18.4 | 8.2 | 0.9 | ||||||
| 営業費用 | 75,029 | 80,333 | 84,086 | 85,414 | 89,783 | 93,473 | 100,403 | 111,919 | 120,326 | 139,576 | 160,155 | 174,970 |
| 経常（税引前）利益 | 31,506 | 31,190 | 30,731 | 31,792 | 31,034 | 32,064 | 34,899 | 36,347 | 33,821 | 42,900 | 37,356 | 24,219 |
| 経常（税引前）利益率（％） | 29.6 | 28.0 | 26.8 | 27.1 | 25.7 | 25.5 | 25.8 | 24.5 | 21.9 | 23.5 | 18.9 | 12.2 |
| 法人税等合計 | 8,497 | 7,887 | 7,234 | 7,759 | 7,978 | 7,716 | 9,885 | 6,079 | 5,217 | 8,000 | 7,300 | 5,100 |
| 実効税率（％） | 16.7 | 15.4 | 18.6 | 19.5 | 21.1 | |||||||
| 純利益 | 23,009 | 23,303 | 23,497 | 24,033 | 23,056 | 24,348 | 25,014 | 30,268 | 28,604 | 34,904 | 30,059 | 19,168 |
| 純利益率（％） | 20.4 | 18.6 | 19.1 | 15.2 | 9.6 | |||||||
| 一株あたり利益 | 2.23 | 2.05 | 2.05 | 2.09 | 2.03 | 2.18 | 2.04 | 2.06 | 2.03 | 2.58 | 2.22 | 1.42 |
| 希薄化後一株あたり利益 | 2.21 | 2.02 | 2.02 | 2.06 | 2 | 2.15 | 2.01 | 2.03 | 2 | 2.53 | 2.18 | 1.39 |
| 配当性向（%） | 43.8 | 54.5 | 44.7 | 53.7 | 87.1 | |||||||
| 一株あたり配当金 | 0.61 | 0.64 | 0.74 | 0.81 | 0.85 | 0.89 | 0.87 | 0.89 | 1.09 | 1.13 | 1.17 | 1.21 |