| 従業員数 | 前年比（％） | |
|---|---|---|
| 4Q25 | 51,436 | +17.2% |
| 4Q24 | 43,870 | +1.5% |
| 2Q24 | 44,721 | +3.2% |
| 4Q23 | 43,217 | +0.4% |
| 2Q23 | 43,323 | -0.3% |
| 4Q22 | 43,048 | -0.5% |
| 2Q22 | 43,443 | +0.2% |
| 4Q21 | 43,257 | +5.2% |
| 2Q21 | 43,368 | +4.8% |
| 4Q20 | 41,101 | +0.6% |
| 2Q20 | 41,371 | +0.2% |
| 4Q19 | 40,848 | +4.2% |
| 2Q19 | 41,272 | +5.1% |
| 4Q18 | 39,191 | +0.9% |
| 2Q18 | 39,271 | +1.1% |
| 4Q17 | 38,842 | +5.3% |
| 2Q17 | 38,832 | +12.5% |
| 4Q16 | 36,902 | +9.1% |
| 2Q16 | 34,528 | - |
| 4Q15 | 33,829 | +1.6% |
| 4Q14 | 33,310 | +0.9% |
| 4Q13 | 33,006 | +7.1% |
| 4Q12 | 30,831 | - |