| 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 | 18,928 | 18,654 | 19,552 | 19,843 | 20,069 | 19,990 | 20,771 | 21,819 | 21,435 | 19,938 | 21,599 | 22,277 | 21,652 | 23,317 | 23,563 |
| 売上成長率（％） | - | ||||||||||||||
| 売上原価 | - | - | - | 16,503 | 16,439 | 16,161 | 16,769 | 17,661 | 17,441 | 16,288 | 17,617 | 18,539 | 17,834 | 19,051 | 19,152 |
| 売上総利益 | - | - | - | 3,339 | 3,630 | 3,829 | 4,002 | 4,158 | 3,994 | 3,650 | 3,982 | 3,738 | 3,818 | 4,266 | 4,412 |
| 売上総利益率（％） | - | - | - | ||||||||||||
| 営業利益率 (%) | - | - | - | ||||||||||||
| 営業費用 | - | - | - | 2,523 | 2,531 | 2,634 | 2,609 | 2,635 | 2,632 | 2,480 | 2,579 | 2,623 | 2,796 | 2,888 | 2,779 |
| 営業利益 | - | - | - | 816 | 1,099 | 1,195 | 1,393 | 1,523 | 1,362 | 1,170 | 1,403 | 1,116 | 1,022 | 1,378 | 1,632 |
| 経常（税引前）利益 | 892 | 840 | 1,020 | 932 | 1,180 | 1,299 | 1,521 | 1,669 | 1,505 | 1,322 | 1,584 | 1,350 | 1,249 | 1,627 | 1,867 |
| 経常（税引前）利益率（％） | 4.7 | 4.5 | 5.2 | 4.7 | 5.9 | 6.5 | 7.3 | 7.6 | 7 | 6.6 | 7.3 | 6.1 | 5.8 | 7 | 7.9 |
| 法人税等合計 | - | - | - | 241 | 322 | 361 | 409 | 445 | 402 | 359 | 416 | 338 | 416 | 532 | 593 |
| 実効税率（％） | - | - | - | ||||||||||||
| 純利益 | 353 | 383 | 457 | 688 | 860 | 912 | 1,082 | 1,215 | 1,087 | 949 | 1,162 | 1,009 | 962 | 1,346 | 1,368 |
| 一株あたり利益 | 54.51 | 59.21 | 79.7 | 74.21 | 92.86 | 195.59 | 231.13 | 260.07 | 233.24 | 202.93 | 248.24 | 213.51 | 216.74 | 297.41 | 292.29 |
| 一株あたり配当金 | - | - | - | - | - | - | - | - | 38 | 38 | 40 | 40 | 40 | 40 | 50 |