| 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 | 765,654 | 785,833 | 831,899 | 794,221 | 860,350 | 922,095 | 966,684 | 1,015,253 | 1,046,412 | 1,033,275 | 1,045,735 | 1,104,152 | 1,151,966 | 1,188,097 |
| 売上原価 | - | - | - | 732,235 | 793,245 | 850,746 | 890,632 | 935,607 | 964,885 | 952,113 | 963,975 | 1,021,756 | 1,065,607 | 1,099,114 |
| 売上総利益 | - | - | - | 61,985 | 67,104 | 71,348 | 76,051 | 79,645 | 81,527 | 81,162 | 81,759 | 82,395 | 86,358 | 88,982 |
| 売上総利益率(%) | - | - | - | |||||||||||
| 営業利益 | - | - | - | 14,177 | 16,101 | 19,129 | 23,006 | 25,399 | 24,708 | 25,487 | 25,921 | 24,472 | 27,172 | 28,008 |
| 営業費用 | - | - | - | 47,808 | 51,003 | 52,218 | 53,045 | 54,246 | 56,818 | 55,674 | 55,838 | 57,923 | 59,185 | 60,973 |
| 経常(税引前)利益 | 14,013 | 14,880 | 15,779 | 16,322 | 18,556 | 21,573 | 25,498 | 28,528 | 27,316 | 28,053 | 28,637 | 27,440 | 30,545 | 31,684 |
| 法人税等合計 | - | - | - | 5,725 | 5,425 | 6,780 | 7,678 | 8,787 | 11,412 | 8,651 | 8,750 | 8,594 | 8,758 | 9,824 |
| 純利益 | 6,159 | 8,397 | 9,185 | 10,267 | 11,929 | 14,605 | 17,453 | 19,767 | 25,412 | 19,317 | 19,639 | 19,251 | 20,638 | 22,864 |
| 一株あたり利益 | 110.28 | 144.41 | 144.54 | 161.58 | 187.73 | 229.84 | 274.65 | 311.07 | 399.9 | 303.98 | 310.34 | 306.33 | 328.4 | 366.46 |
| 一株あたり配当金 | 40 | 42 | 43 | 45 | 50 | 56 | 64 | 68 | 70 | 72 | 78 | 82 | 94 | 105 |