| 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 | 15,175 | 14,010 | 14,041 | 13,519 | 14,073 | 13,537 | 13,290 | 13,439 | 13,761 | 15,845 | 14,132 | 17,131 | 17,106 | 17,152 |
| 売上原価 | - | - | - | 8,986 | 9,326 | 8,777 | 8,657 | 8,809 | 9,006 | 10,230 | 9,052 | 11,772 | 11,794 | 11,851 |
| 売上総利益 | - | - | - | 4,532 | 4,748 | 4,760 | 4,632 | 4,630 | 4,755 | 5,615 | 5,079 | 5,358 | 5,312 | 5,301 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業利益 | - | - | - | 431 | 623 | 749 | 601 | 602 | 657 | 1,021 | 841 | 792 | 844 | 865 |
| 営業費用 | - | - | - | 4,101 | 4,125 | 4,012 | 4,031 | 4,028 | 4,098 | 4,594 | 4,238 | 4,567 | 4,467 | 4,436 |
| 経常（税引前）利益 | 706 | 573 | 527 | 482 | 660 | 822 | 686 | 712 | 779 | 1,130 | 976 | 995 | 923 | 944 |
| 法人税等合計 | - | - | - | 96 | 252 | 260 | 176 | 236 | 247 | 142 | 102 | 427 | 355 | 416 |
| 純利益 | 588 | 384 | 273 | 287 | 423 | 583 | 507 | 516 | 525 | 633 | 1,004 | 654 | 380 | 702 |
| 一株あたり利益 | 14.23 | 9.66 | 7.54 | 6.36 | 9.45 | 13.25 | 11.67 | 120.87 | 125.58 | 157.67 | 260.37 | 175.53 | 106.35 | 190.46 |
| 一株あたり配当金 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 55 | 55 | 65 | 55 | 55 | 60 | 60 |