| （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 | 100,745 | 109,218 | 115,547 | 106,100 | 100,725 | 102,798 | 105,412 | 114,346 | 117,612 | 107,597 | 107,813 | 104,704 | 114,835 | 118,999 |
| 売上原価 | - | - | - | 99,071 | 93,475 | 96,033 | 99,315 | 108,098 | 112,051 | 102,389 | 101,838 | 97,828 | 106,765 | 109,968 |
| 売上総利益 | - | - | - | 7,029 | 7,250 | 6,765 | 6,097 | 6,248 | 5,561 | 5,207 | 5,975 | 6,876 | 8,070 | 9,030 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 5,897 | 5,864 | 5,703 | 5,448 | 5,445 | 5,485 | 5,250 | 5,448 | 5,559 | 6,008 | 6,653 |
| 営業利益 | - | - | - | 1,131 | 1,385 | 1,061 | 649 | 802 | 76 | -43 | 526 | 1,316 | 2,061 | 2,377 |
| 経常（税引前）利益 | 1,574 | 786 | -931 | 1,089 | 1,389 | 1,116 | 715 | 827 | 624 | 81 | 614 | 1,371 | 2,154 | 2,485 |
| 法人税等合計 | - | - | - | 437 | 452 | 224 | 245 | 251 | -90 | 149 | 92 | 451 | 581 | 711 |
| 純利益 | 351 | 638 | -547 | 683 | 988 | 935 | 875 | 310 | 691 | 72 | 521 | 1,083 | 1,526 | 1,790 |
| 一株あたり利益 | 41.49 | 75.29 | -64.46 | 80.56 | 116.54 | 108.32 | 107.07 | 173.18 | 413.44 | 38.61 | 311.72 | 641.01 | 912.69 | 1060.68 |
| 一株あたり配当金 | 8 | 6 | 6 | 10 | 10 | 10 | 10 | 30 | 50 | 50 | 50 | 60 | 80 | 130 |