従業員の状況
単体の従業員数
| 2012/04 | 2013/04 | 2014/04 | 2015/04 | 2016/04 | 2017/04 | 2018/04 | 2019/04 | 2020/04 | 2021/04 | 2022/04 | 2023/04 | 2024/04 | 2025/04 | |
| 従業員数 | 5,285 (2,348) | 5,307 (2,292) | 5,339 (2,114) | 5,381 (2,099) | 5,340 (2,047) | 5,398 (2,040) | 5,475 (2,107) | 5,409 (2,081) | 5,403 (1,991) | 5,290 (1,904) | 5,175 (1,757) | 5,205 (1,668) | 5,226 (1,515) | 4,965 (1,075) |
(注)括弧内は平均臨時雇用人員
その他の単体データ
| 2012/04 | 2013/04 | 2014/04 | 2015/04 | 2016/04 | 2017/04 | 2018/04 | 2019/04 | 2020/04 | 2021/04 | 2022/04 | 2023/04 | 2024/04 | 2025/04 | |
| 平均年間給与(万円) | - | - | - | - | - | - | - | 565.8 | 590.1 | 565.2 | 580.4 | 600.3 | 654.6 | 682.9 |
| 平均年齢 | - | - | - | - | - | - | - | 38.3 | 38.8 | 39.6 | 40.3 | 40.9 | 41.5 | 42.4 |
| 平均勤続年数 | - | - | - | - | - | - | - | 14.7 | 15.2 | 16 | 16.7 | 17.2 | 17.7 | 18.5 |