| （単位：百万円） | 2011/12 | 2012/12 | 2013/12 | 2014/12 | 2015/12 | 2016/12 | 2017/12 | 2018/12 | 2019/12 | 2020/12 | 2021/12 | 2022/12 | 2023/12 | 2024/12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 51,512 | 47,818 | 48,246 | 47,665 | 42,780 | 42,282 | 42,057 | 45,725 | 45,228 | 43,515 | 44,858 | 49,792 | 48,506 | 46,123 |
| 売上原価 | - | - | - | 34,512 | 31,679 | 31,055 | 31,464 | 34,358 | 33,673 | 32,192 | 33,738 | 37,858 | 36,645 | 35,729 |
| 売上総利益 | - | - | - | 13,152 | 11,100 | 11,226 | 10,592 | 11,366 | 11,554 | 11,323 | 11,120 | 11,933 | 11,860 | 10,393 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 9,031 | 8,931 | 8,809 | 8,822 | 9,358 | 9,209 | 9,027 | 8,901 | 8,964 | 8,517 | 8,647 |
| 営業利益 | - | - | - | 4,121 | 2,169 | 2,417 | 1,769 | 2,008 | 2,345 | 2,296 | 2,219 | 2,969 | 3,343 | 1,745 |
| 経常（税引前）利益 | 7,138 | 6,293 | 6,770 | 6,812 | 4,398 | 4,082 | 3,610 | 3,730 | 3,905 | 3,830 | 4,141 | 5,370 | 5,668 | 4,492 |
| 法人税等合計 | - | - | - | 2,638 | 1,247 | 1,274 | 1,013 | 1,049 | 1,130 | 1,146 | 1,229 | 1,532 | 1,674 | 1,354 |
| 純利益 | 4,207 | 3,530 | 4,242 | 4,684 | 2,785 | 3,041 | 2,589 | 2,670 | 1,836 | 2,607 | 2,913 | 3,866 | 3,998 | 3,139 |
| 一株あたり利益 | 121.11 | 101.64 | 122.13 | 134.85 | 80.17 | 87.55 | 74.55 | 76.86 | 52.88 | 75.05 | 83.88 | 111.55 | 117.09 | 92.45 |
| 一株あたり配当金 | 30 | 30 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 36 | 38 | 43 | 46 |