| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q25 | 27,624 | -50.3% |
| 3Q24 | 51,718 | -13.1% |
| 2Q24 | 58,449 | +2.9% |
| 1Q24 | 55,526 | +11.2% |
| 3Q23 | 59,518 | +33.4% |
| 2Q23 | 56,795 | +78.0% |
| 1Q23 | 49,929 | +69.8% |
| 3Q22 | 44,609 | +23.9% |
| 2Q22 | 31,903 | -17.8% |
| 1Q22 | 29,403 | -34.5% |
| 3Q21 | 36,010 | +3.3% |
| 2Q21 | 38,816 | +1634.4% |
| 1Q21 | 44,894 | -460.8% |
| 3Q20 | 34,859 | -340.4% |
| 2Q20 | 2,238 | -89.1% |
| 1Q20 | -12,444 | -162.8% |
| 4Q19 | 20,276 | +1.0% |
| 3Q19 | -14,502 | -158.2% |
| 2Q19 | 20,531 | -9.0% |
| 1Q19 | 19,829 | -2.0% |
| 4Q18 | 20,068 | +17.5% |
| 3Q18 | 24,919 | +77.9% |
| 2Q18 | 22,563 | +26.0% |
| 1Q18 | 20,231 | +47.0% |
| 4Q17 | 17,074 | -16.2% |
| 3Q17 | 14,009 | -34.4% |
| 2Q17 | 17,903 | -19.0% |
| 1Q17 | 13,758 | -28.5% |
| 4Q16 | 20,385 | +54.2% |
| 3Q16 | 21,339 | +13.9% |
| 2Q16 | 22,093 | - |
| 1Q16 | 19,234 | +7.7% |
| 4Q15 | 13,223 | -19.8% |
| 3Q15 | 18,728 | -8.9% |
| 1Q15 | 17,864 | -7.8% |
| 4Q14 | 16,485 | +8.2% |
| 3Q14 | 20,553 | +9.3% |
| 2Q14 | 20,945 | +5.8% |
| 1Q14 | 19,373 | +11.3% |
| 4Q13 | 15,232 | +11.4% |
| 3Q13 | 18,807 | +18.6% |
| 2Q13 | 19,793 | +16.5% |
| 1Q13 | 17,411 | +4.2% |
| 4Q12 | 13,676 | - |
| 3Q12 | 15,863 | -9.4% |
| 2Q12 | 16,983 | +13.7% |
| 1Q12 | 16,702 | - |
| 3Q11 | 17,504 | - |
| 2Q11 | 14,941 | - |