| 従業員数 | 前年比（％） | |
|---|---|---|
| 4Q25 | 18,656 | -2.3% |
| 4Q24 | 19,092 | -3.5% |
| 2Q24 | 19,980 | -2.7% |
| 4Q23 | 19,776 | +142.8% |
| 2Q23 | 20,541 | +146.1% |
| 4Q22 | 8,144 | -1.3% |
| 2Q22 | 8,346 | -1.6% |
| 4Q21 | 8,252 | -0.4% |
| 2Q21 | 8,485 | -0.8% |
| 4Q20 | 8,283 | +0.2% |
| 2Q20 | 8,553 | +0.9% |
| 4Q19 | 8,269 | +1.9% |
| 2Q19 | 8,480 | +2.0% |
| 4Q18 | 8,112 | +1.8% |
| 2Q18 | 8,311 | +1.8% |
| 4Q17 | 7,965 | +1.0% |
| 2Q17 | 8,164 | +1.8% |
| 4Q16 | 7,890 | +3.7% |
| 2Q16 | 8,018 | - |
| 4Q15 | 7,606 | +3.2% |
| 4Q14 | 7,367 | +8.5% |
| 4Q13 | 6,789 | +0.7% |
| 4Q12 | 6,741 | - |