| 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 | 21,040 | 21,226 | 23,368 | 22,346 | 22,310 | 21,963 | 21,865 | 22,243 | 22,296 | 20,985 | 21,879 | 23,495 | 23,925 | 24,166 | 25,152 |
| 売上成長率（％） | - | ||||||||||||||
| 売上原価 | - | - | - | 15,171 | 15,265 | 15,011 | 15,445 | 15,413 | 15,220 | 14,232 | 14,550 | 15,185 | 15,648 | 15,393 | 15,988 |
| 売上総利益 | - | - | - | 7,175 | 7,044 | 6,951 | 6,420 | 6,829 | 7,075 | 6,753 | 7,328 | 8,309 | 8,277 | 8,772 | 9,164 |
| 売上総利益率（％） | - | - | - | ||||||||||||
| 営業利益率 (%) | - | - | - | ||||||||||||
| 営業費用 | - | - | - | 6,012 | 5,978 | 6,047 | 5,921 | 6,095 | 6,146 | 5,823 | 5,986 | 6,362 | 6,504 | 6,607 | 6,840 |
| 営業利益 | - | - | - | 1,163 | 1,066 | 904 | 498 | 734 | 929 | 929 | 1,342 | 1,946 | 1,773 | 2,164 | 2,323 |
| 経常（税引前）利益 | 1,787 | 1,803 | 2,020 | 1,454 | 1,287 | 1,115 | 757 | 976 | 1,168 | 1,232 | 1,628 | 2,226 | 2,072 | 2,507 | 2,780 |
| 経常（税引前）利益率（％） | 8.5 | 8.5 | 8.6 | 6.5 | 5.8 | 5.1 | 3.5 | 4.4 | 5.2 | 5.9 | 7.4 | 9.5 | 8.7 | 10.4 | 11.1 |
| 法人税等合計 | - | - | - | 688 | 381 | 366 | 210 | 352 | 405 | 467 | 574 | 707 | 723 | 895 | 724 |
| 実効税率（％） | - | - | - | ||||||||||||
| 純利益 | 910 | 1,054 | 1,001 | 925 | 648 | 609 | 134 | 662 | 679 | 755 | 797 | 1,468 | 1,368 | 1,724 | 1,812 |
| 一株あたり利益 | 64.17 | 73.84 | 75.21 | 61.05 | 42.82 | 40.47 | 8.93 | 44.3 | 45.72 | 50.99 | 53.77 | 98.64 | 91.83 | 115.53 | 125.19 |
| 一株あたり配当金 | - | - | - | - | - | - | - | - | 35 | 35 | 50 | 50 | 50 | 69 | 75 |