| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q25 | 4,050 | -19.9% |
| 3Q24 | 5,468 | -20.3% |
| 2Q24 | 5,283 | -4.3% |
| 1Q24 | 5,058 | -30.8% |
| 3Q23 | 6,859 | -20.6% |
| 2Q23 | 5,521 | -24.8% |
| 1Q23 | 7,306 | -0.8% |
| 3Q22 | 8,641 | +3.8% |
| 2Q22 | 7,342 | -12.8% |
| 1Q22 | 7,366 | -11.5% |
| 3Q21 | 8,326 | +30.5% |
| 2Q21 | 8,419 | +72.3% |
| 1Q21 | 8,319 | +42.3% |
| 3Q20 | 6,379 | +45.9% |
| 2Q20 | 4,886 | -5.0% |
| 1Q20 | 5,845 | +4.5% |
| 3Q19 | 4,373 | -34.5% |
| 2Q19 | 5,144 | -19.1% |
| 1Q19 | 5,591 | +1.7% |
| 3Q18 | 6,676 | +13.0% |
| 2Q18 | 6,358 | +43.4% |
| 1Q18 | 5,500 | -11.3% |
| 3Q17 | 5,910 | +1.1% |
| 2Q17 | 4,435 | -22.1% |
| 1Q17 | 6,204 | +54.3% |
| 3Q16 | 5,847 | -8.3% |
| 2Q16 | 5,693 | +5.7% |
| 1Q16 | 4,021 | -14.6% |
| 3Q15 | 6,377 | +4.6% |
| 2Q15 | 5,384 | +25.4% |
| 1Q15 | 4,707 | +44.2% |
| 3Q14 | 6,095 | +49.1% |
| 2Q14 | 4,295 | +10.3% |
| 1Q14 | 3,265 | +32.6% |
| 3Q13 | 4,089 | +60.2% |
| 2Q13 | 3,894 | - |
| 1Q13 | 2,463 | -58.9% |
| 3Q12 | 2,553 | - |
| 1Q12 | 5,998 | - |