| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2Q25 | 23,280 | +11.2% |
| 1Q25 | 25,122 | +3.9% |
| 3Q24 | 27,176 | +5.9% |
| 2Q24 | 20,941 | -5.5% |
| 1Q24 | 24,184 | +29.5% |
| 3Q23 | 25,657 | +35.2% |
| 2Q23 | 22,153 | -10.5% |
| 1Q23 | 18,679 | -22.4% |
| 3Q22 | 18,984 | -30.5% |
| 2Q22 | 24,743 | +19.8% |
| 1Q22 | 24,060 | -15.3% |
| 3Q21 | 27,321 | +37.9% |
| 2Q21 | 20,655 | +13.6% |
| 1Q21 | 28,392 | +93.1% |
| 3Q20 | 19,812 | -14.6% |
| 2Q20 | 18,185 | -7.8% |
| 1Q20 | 14,704 | -10.3% |
| 3Q19 | 23,202 | +3.9% |
| 2Q19 | 19,715 | +1.8% |
| 1Q19 | 16,401 | -4.3% |
| 3Q18 | 22,329 | +8.3% |
| 2Q18 | 19,368 | +2.7% |
| 1Q18 | 17,136 | +3.8% |
| 3Q17 | 20,613 | +10.4% |
| 2Q17 | 18,862 | +5.3% |
| 1Q17 | 16,516 | -3.7% |
| 3Q16 | 18,668 | +14.0% |
| 2Q16 | 17,906 | +1.6% |
| 1Q16 | 17,145 | +10.0% |
| 3Q15 | 16,372 | +8.4% |
| 2Q15 | 17,631 | +15.6% |
| 1Q15 | 15,593 | -7.0% |
| 3Q14 | 15,103 | +1.0% |
| 2Q14 | 15,252 | +5.7% |
| 1Q14 | 16,767 | +5.7% |
| 3Q13 | 14,958 | +13.8% |
| 2Q13 | 14,435 | -1.9% |
| 1Q13 | 15,865 | +54.0% |
| 3Q12 | 13,140 | - |
| 2Q12 | 14,709 | - |
| 1Q12 | 10,300 | - |