| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q25 | 29,383 | -7.6% |
| 3Q24 | 31,822 | -2.8% |
| 2Q24 | 25,420 | -9.9% |
| 1Q24 | 31,797 | -16.7% |
| 3Q23 | 32,731 | +63.8% |
| 2Q23 | 28,206 | +287.3% |
| 1Q23 | 38,193 | +132.7% |
| 3Q22 | 19,977 | -39.0% |
| 2Q22 | 7,283 | -77.4% |
| 1Q22 | 16,415 | -47.7% |
| 3Q21 | 32,763 | +13.2% |
| 2Q21 | 32,166 | +62.7% |
| 1Q21 | 31,377 | -5.4% |
| 4Q20 | 23,675 | -21.8% |
| 3Q20 | 28,947 | -13.4% |
| 2Q20 | 19,775 | -34.8% |
| 1Q20 | 33,159 | +3.3% |
| 4Q19 | 30,258 | +2.8% |
| 3Q19 | 33,420 | +30.3% |
| 2Q19 | 30,338 | +26.0% |
| 1Q19 | 32,093 | +24.6% |
| 4Q18 | 29,425 | +13.0% |
| 3Q18 | 25,653 | -9.6% |
| 2Q18 | 24,087 | -0.7% |
| 1Q18 | 25,767 | -4.6% |
| 4Q17 | 26,048 | +2.7% |
| 3Q17 | 28,376 | -22.5% |
| 2Q17 | 24,248 | -17.5% |
| 1Q17 | 27,013 | -34.6% |
| 4Q16 | 25,366 | -25.5% |
| 3Q16 | 36,598 | +18.0% |
| 2Q16 | 29,374 | +12.3% |
| 1Q16 | 41,291 | +88.6% |
| 4Q15 | 34,070 | +78.1% |
| 3Q15 | 31,021 | +124.3% |
| 2Q15 | 26,156 | +19.9% |
| 1Q15 | 21,893 | +4.7% |
| 4Q14 | 19,125 | +16.4% |
| 3Q14 | 13,831 | -32.7% |
| 2Q14 | 21,820 | +0.6% |
| 1Q14 | 20,914 | +16.0% |
| 4Q13 | 16,435 | -25.8% |
| 3Q13 | 20,553 | -5.4% |
| 2Q13 | 21,681 | -8.7% |
| 1Q13 | 18,035 | -37.7% |
| 4Q12 | 22,149 | - |
| 3Q12 | 21,728 | -4.6% |
| 2Q12 | 23,745 | +6.1% |
| 1Q12 | 28,952 | - |
| 3Q11 | 22,767 | - |
| 2Q11 | 22,371 | - |