| 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 | 464,429 | 479,942 | 561,173 | 572,114 | 577,037 | 586,630 | 621,137 | 634,740 | 600,312 | 577,583 | 680,962 | 735,620 | 766,022 | 837,838 | 832,745 |
| 売上成長率（％） | - | ||||||||||||||
| 売上原価 | - | - | - | 533,073 | 535,973 | 543,889 | 576,282 | 587,482 | 554,053 | 531,543 | 623,591 | 672,745 | 696,734 | 758,915 | 748,943 |
| 売上総利益 | - | - | - | 39,040 | 41,064 | 42,740 | 44,854 | 47,257 | 46,259 | 46,040 | 57,370 | 62,874 | 69,288 | 78,923 | 83,801 |
| 売上総利益率（％） | - | - | - | ||||||||||||
| 営業利益率 (%) | - | - | - | ||||||||||||
| 営業費用 | - | - | - | 28,266 | 29,692 | 30,123 | 38,891 | 33,226 | 33,029 | 31,066 | 37,317 | 42,560 | 48,097 | 53,098 | 57,637 |
| 営業利益 | - | - | - | 10,774 | 11,371 | 12,616 | 5,962 | 14,031 | 13,229 | 14,973 | 20,052 | 20,314 | 21,190 | 25,824 | 26,164 |
| 経常（税引前）利益 | 8,834 | 9,603 | 12,454 | 13,217 | 12,257 | 13,672 | 6,374 | 14,309 | 14,211 | 16,514 | 21,648 | 19,110 | 21,393 | 26,134 | 27,748 |
| 経常（税引前）利益率（％） | 1.9 | 2 | 2.2 | 2.3 | 2.1 | 2.3 | 1 | 2.3 | 2.4 | 2.9 | 3.2 | 2.6 | 2.8 | 3.1 | 3.3 |
| 法人税等合計 | - | - | - | 4,375 | 3,673 | 5,431 | 6,144 | 5,533 | 4,822 | 5,294 | 7,980 | 7,975 | 7,333 | 8,173 | 7,599 |
| 実効税率（％） | - | - | - | ||||||||||||
| 純利益 | 3,219 | 3,366 | 3,493 | 8,764 | 9,748 | 10,144 | 7,182 | 13,262 | 11,884 | 14,204 | 22,475 | 19,547 | 20,692 | 20,945 | 21,620 |
| 一株あたり利益 | 97.45 | 104.29 | 137.01 | 137.2 | 151.91 | 156.25 | 109.92 | 211.36 | 188.82 | 229.13 | 374.23 | 343.31 | 362.17 | 363.9 | 384.84 |
| 一株あたり配当金 | - | - | - | - | - | - | - | - | 53 | 63 | 110 | 115 | 120 | 125 | 128 |