| 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 | 1,564,250 | 1,511,324 | 1,682,503 | 1,737,397 | 1,511,800 | 1,514,037 | 1,791,118 | 2,074,600 | 1,907,493 | 1,745,501 | 2,164,049 | 2,668,228 | 2,431,980 | 2,554,514 |
| 売上原価 | - | - | - | 1,681,667 | 1,455,240 | 1,449,522 | 1,718,922 | 1,995,378 | 1,827,666 | 1,665,576 | 2,045,040 | 2,539,686 | 2,312,135 | 2,413,907 |
| 売上総利益 | - | - | - | 55,729 | 56,559 | 64,514 | 72,195 | 79,222 | 79,826 | 79,925 | 119,008 | 128,541 | 119,845 | 140,607 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業利益 | - | - | - | 19,107 | 18,178 | 23,426 | 26,217 | 28,904 | 27,330 | 29,232 | 62,367 | 64,105 | 49,722 | 61,532 |
| 営業費用 | - | - | - | 36,622 | 38,381 | 41,088 | 45,977 | 50,318 | 52,496 | 50,692 | 56,641 | 64,435 | 70,122 | 79,074 |
| 経常（税引前）利益 | 13,116 | 8,871 | 14,698 | 14,264 | 15,424 | 22,907 | 25,502 | 23,395 | -12,598 | 28,821 | 62,718 | 64,272 | 48,276 | 59,746 |
| 法人税等合計 | - | - | - | 3,876 | 1,264 | 6,728 | 8,315 | 7,130 | 5,555 | 8,978 | 18,733 | 23,218 | 14,524 | 19,349 |
| 純利益 | 3,694 | 4,453 | 8,128 | 9,141 | 25,479 | 16,434 | 17,354 | 13,914 | -13,674 | 19,860 | 44,405 | 52,742 | 39,364 | 46,140 |
| 一株あたり利益 | 22.35 | 22.78 | 38.11 | 43.85 | 122.92 | 80.18 | 427.04 | 342.41 | -336.51 | 482.74 | 1,073.34 | 1,267.44 | 944.9 | 1,125.66 |
| 一株あたり配当金 | 12 | 12 | 12 | 15 | 18 | 19 | 85 | 150 | 100 | 60 | 100 | 130 | 185 | 225 |