| 従業員数 | 前年比（％） | |
|---|---|---|
| 4Q26 | 18,503 | +12.9% |
| 4Q25 | 16,382 | +0.6% |
| 4Q24 | 16,285 | +12.6% |
| 4Q23 | 14,466 | -0.4% |
| 4Q22 | 14,518 | -0.7% |
| 4Q21 | 14,620 | +0.4% |
| 4Q20 | 14,562 | +0.9% |
| 4Q19 | 14,433 | +2.9% |
| 4Q18 | 14,032 | +0.4% |
| 4Q17 | 13,977 | +1.7% |
| 4Q16 | 13,748 | +0.3% |
| 4Q15 | 13,701 | +0.8% |
| 4Q14 | 13,599 | +0.2% |
| 4Q13 | 13,569 | -1.5% |
| 4Q12 | 13,776 | -1.9% |
| 4Q11 | 14,039 | -2.9% |
| 4Q10 | 14,461 | - |