| 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 | 20,483 | 20,555 | 22,421 | 23,122 | 24,803 | 25,845 | 27,144 | 28,962 | 29,662 | 27,661 | 28,367 | 28,168 | 27,876 | 29,187 | 30,161 |
| 売上成長率（％） | - | ||||||||||||||
| 営業利益率 (%) | - | - | - | ||||||||||||
| 営業費用 | - | - | - | 849 | 874 | 821 | 852 | 863 | 868 | 832 | 859 | 872 | 898 | 953 | 804 |
| 営業利益 | - | - | - | 767 | 716 | 877 | 1,013 | 1,225 | 1,272 | 1,058 | 1,364 | 1,258 | 1,130 | 1,241 | 1,376 |
| 経常（税引前）利益 | 715 | 523 | 794 | 874 | 914 | 1,061 | 1,269 | 1,517 | 1,611 | 1,749 | 2,105 | 1,874 | 1,821 | 1,857 | 1,910 |
| 経常（税引前）利益率（％） | 3.5 | 2.5 | 3.5 | 3.8 | 3.7 | 4.1 | 4.7 | 5.2 | 5.4 | 6.3 | 7.4 | 6.7 | 6.5 | 6.4 | 6.3 |
| 法人税等合計 | - | - | - | 145 | 282 | 216 | 371 | 408 | 437 | 526 | 610 | 535 | 373 | 477 | 434 |
| 実効税率（％） | - | - | - | ||||||||||||
| 純利益 | 291 | 160 | 406 | 588 | 632 | 736 | 885 | 1,021 | 1,041 | 1,187 | 1,443 | 1,351 | 1,370 | 1,495 | 1,486 |
| 一株あたり利益 | 12.98 | 10.84 | 15.82 | 15.45 | 16.59 | 19.34 | 23.21 | 26.76 | 27.25 | 31.16 | 37.79 | 35.7 | 181.38 | 197.66 | 220.88 |
| 一株あたり配当金 | - | - | - | - | - | - | - | - | 8 | 8.5 | 9.5 | 10 | - | 60 | 70 |