| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2Q23 | 11,008 | -5.4% |
| 2Q23 | 11,000 | -6.4% |
| 1Q23 | 11,476 | +0.2% |
| 3Q22 | 11,636 | -3.9% |
| 2Q22 | 11,746 | +1.2% |
| 1Q22 | 11,452 | -8.9% |
| 3Q21 | 12,109 | -4.5% |
| 2Q21 | 11,609 | -2.7% |
| 1Q21 | 12,564 | +3.8% |
| 4Q20 | 12,489 | +1.7% |
| 3Q20 | 12,679 | +5.7% |
| 2Q20 | 11,934 | -7.0% |
| 1Q20 | 12,106 | -0.1% |
| 4Q19 | 12,282 | - |
| 3Q19 | 11,998 | - |
| 2Q19 | 12,833 | - |
| 1Q19 | 12,120 | - |