| 従業員数 | 前年比（％） | |
|---|---|---|
| 4Q25 | 27,613 | +3.3% |
| 4Q24 | 26,741 | +7.8% |
| 4Q23 | 24,815 | +13.1% |
| 4Q22 | 21,948 | +3.3% |
| 4Q21 | 21,254 | +3.4% |
| 4Q20 | 20,562 | +7.3% |
| 4Q20 | 19,332 | +0.9% |
| 4Q19 | 19,159 | +5.3% |
| 4Q18 | 18,195 | +2.2% |
| 4Q17 | 17,802 | +4.7% |
| 4Q16 | 17,001 | -6.3% |
| 4Q15 | 18,137 | +4.2% |
| 4Q14 | 17,413 | +16.9% |
| 4Q13 | 14,890 | +1.0% |
| 4Q12 | 14,736 | +7.0% |
| 4Q11 | 13,778 | +1.3% |
| 4Q10 | 13,601 | - |