| 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 | 28,555 | 27,874 | 28,621 | 29,483 | 28,779 | 27,342 | 27,819 | 28,193 | 28,766 | 25,691 | 24,533 | 28,283 | 30,484 | 29,516 | 28,956 |
| 売上成長率（％） | - | ||||||||||||||
| 売上原価 | - | - | - | 22,122 | 21,332 | 19,895 | 20,446 | 20,820 | 20,884 | 18,616 | 18,082 | 20,709 | 21,685 | 20,915 | 20,523 |
| 売上総利益 | - | - | - | 7,361 | 7,447 | 7,446 | 7,373 | 7,373 | 7,881 | 7,074 | 6,450 | 7,574 | 8,799 | 8,601 | 8,433 |
| 売上総利益率（％） | - | - | - | ||||||||||||
| 営業利益率 (%) | - | - | - | ||||||||||||
| 営業費用 | - | - | - | 6,417 | 6,558 | 6,622 | 6,555 | 6,490 | 6,291 | 5,758 | 5,584 | 5,818 | 6,343 | 6,540 | 6,602 |
| 営業利益 | - | - | - | 944 | 888 | 824 | 817 | 883 | 1,590 | 1,316 | 866 | 1,756 | 2,455 | 2,061 | 1,830 |
| 経常（税引前）利益 | 750 | 1,007 | 1,121 | 1,060 | 1,001 | 930 | 956 | 1,029 | 1,763 | 1,540 | 1,084 | 1,988 | 2,669 | 2,286 | 2,041 |
| 経常（税引前）利益率（％） | 2.6 | 3.6 | 3.9 | 3.6 | 3.5 | 3.4 | 3.4 | 3.6 | 6.1 | 6 | 4.4 | 7 | 8.8 | 7.7 | 7 |
| 法人税等合計 | - | - | - | 177 | 281 | 179 | 353 | 347 | 565 | 512 | 347 | 778 | 873 | 690 | 626 |
| 実効税率（％） | - | - | - | ||||||||||||
| 純利益 | 400 | 764 | 677 | 877 | 697 | 849 | 611 | 816 | 1,182 | 1,027 | 735 | 1,621 | 1,856 | 1,588 | 1,459 |
| 一株あたり利益 | 16.27 | 27.76 | 29.36 | 25.2 | 20.05 | 24.41 | 176.3 | 238.58 | 348.63 | 302.88 | 216.88 | 479.48 | 556.44 | 497.23 | 479.7 |
| 一株あたり配当金 | - | - | - | - | - | - | - | - | 70 | 70 | 70 | 85 | 105 | 105 | 220 |