| 従業員数 | 前年比（％） | |
|---|---|---|
| 4Q26 | 12,479 | +0.2% |
| 4Q25 | 12,454 | -0.6% |
| 4Q24 | 12,531 | -2.4% |
| 4Q23 | 12,843 | +4.0% |
| 4Q22 | 12,352 | -5.8% |
| 4Q21 | 13,117 | +18.1% |
| 4Q20 | 11,107 | -1.5% |
| 4Q19 | 11,276 | +3.1% |
| 4Q18 | 10,938 | -2.7% |
| 4Q17 | 11,237 | -0.2% |
| 4Q16 | 11,258 | -4.6% |
| 4Q15 | 11,803 | +462.6% |
| 4Q14 | 2,098 | -2.6% |
| 4Q13 | 2,153 | -1.9% |
| 4Q12 | 2,194 | +532.3% |
| 4Q11 | 347 | -6.7% |
| 4Q10 | 372 | - |