| 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 | 36,238 | 36,568 | 39,575 | 39,086 | 42,495 | 45,122 | 46,968 | 48,230 | 51,830 | 54,478 | 57,781 | 60,156 | 61,583 | 61,824 | 59,843 |
| 売上成長率（％） | - | ||||||||||||||
| 売上原価 | - | - | - | 33,689 | 36,859 | 39,685 | 41,139 | 42,260 | 45,444 | 47,852 | 51,353 | 53,199 | 54,456 | 54,594 | 52,148 |
| 売上総利益 | - | - | - | 5,397 | 5,637 | 5,437 | 5,828 | 5,970 | 6,386 | 6,626 | 6,428 | 6,957 | 7,127 | 7,230 | 7,696 |
| 売上総利益率（％） | - | - | - | ||||||||||||
| 営業利益率 (%) | - | - | - | ||||||||||||
| 営業費用 | - | - | - | 4,323 | 4,689 | 3,737 | 4,027 | 4,361 | 4,794 | 5,068 | 4,772 | 5,179 | 5,303 | 5,318 | 6,002 |
| 営業利益 | - | - | - | 1,074 | 948 | 1,701 | 1,802 | 1,609 | 1,592 | 1,558 | 1,656 | 1,777 | 1,824 | 1,912 | 1,694 |
| 経常（税引前）利益 | 1,787 | 1,687 | 1,697 | 1,523 | 1,424 | 1,775 | 1,941 | 1,737 | 1,757 | 1,726 | 1,824 | 2,014 | 2,051 | 1,929 | 2,084 |
| 経常（税引前）利益率（％） | 4.9 | 4.6 | 4.3 | 3.9 | 3.3 | 3.9 | 4.1 | 3.6 | 3.4 | 3.2 | 3.2 | 3.3 | 3.3 | 3.1 | 3.5 |
| 法人税等合計 | - | - | - | 612 | 455 | 720 | 595 | 553 | 556 | 557 | 567 | 619 | 645 | 643 | 569 |
| 実効税率（％） | - | - | - | ||||||||||||
| 純利益 | 915 | 952 | 890 | 847 | 978 | 1,187 | 1,346 | 1,202 | 1,201 | 1,170 | 1,207 | 1,395 | 1,407 | 1,290 | 1,513 |
| 一株あたり利益 | 188.21 | 188.96 | 191.53 | 161.38 | 182.09 | 220.84 | 250.54 | 223.12 | 222.67 | 216.34 | 223.7 | 258.89 | 261.74 | 239.59 | 281.16 |
| 一株あたり配当金 | - | - | - | - | - | - | - | - | - | 39 | 40 | 41 | 45 | 50 | - |