| 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 | 606,705 | 616,327 | 651,954 | 638,792 | 676,743 | 704,610 | 732,914 | 754,447 | 796,227 | 834,033 | 857,087 | 891,600 | 944,149 | 986,212 |
| 売上原価 | - | - | - | 574,179 | 606,012 | 631,542 | 656,439 | 676,249 | 714,394 | 748,325 | 772,646 | 804,794 | 851,730 | 889,991 |
| 売上総利益 | - | - | - | 64,612 | 70,730 | 73,068 | 76,475 | 78,197 | 81,833 | 85,708 | 84,440 | 86,805 | 92,418 | 96,221 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業利益 | - | - | - | 2,461 | 5,699 | 7,384 | 8,857 | 8,892 | 9,326 | 11,521 | 12,743 | 12,812 | 14,508 | 14,989 |
| 営業費用 | - | - | - | 62,151 | 65,030 | 65,683 | 67,618 | 69,305 | 72,507 | 74,186 | 71,697 | 73,993 | 77,909 | 81,232 |
| 経常（税引前）利益 | 3,915 | 3,605 | 4,388 | 2,469 | 5,811 | 7,842 | 9,439 | 9,429 | 10,124 | 12,099 | 13,745 | 13,680 | 15,341 | 15,617 |
| 法人税等合計 | - | - | - | 1,376 | 2,458 | 2,624 | 3,319 | 3,244 | 3,462 | 3,970 | 4,247 | 4,703 | 4,844 | 5,258 |
| 純利益 | 893 | 1,096 | 1,868 | 1,124 | 3,244 | 4,863 | 6,363 | 6,908 | 7,191 | 8,200 | 9,013 | 8,227 | 10,340 | 10,367 |
| 一株あたり利益 | 21.12 | 22.93 | 31.6 | 72.96 | 210.43 | 330.95 | 399.12 | 397.71 | 413.03 | 480.58 | 527.63 | 481.57 | 303.02 | 309.55 |
| 希薄化後一株あたり利益 | - | - | - | - | - | 294.89 | 377.82 | 381.24 | 391.26 | 455.99 | 500.68 | 456.97 | 298.19 | - |
| 配当性向（%） | - | - | - | - | - | - | - | - | - | - | ||||
| 一株あたり配当金 | 8 | 8 | 10 | 10 | 55 | 65 | 75 | 80 | 85 | 95 | 121 | 136 | 134 | 102 |