| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q25 | 71,972 | +135.6% |
| 4Q24 | 30,048 | +2.2% |
| 3Q24 | 37,808 | +21.4% |
| 2Q24 | 30,794 | -2.2% |
| 1Q24 | 30,549 | +2.8% |
| 4Q23 | 29,399 | +8.6% |
| 3Q23 | 31,139 | +0.4% |
| 2Q23 | 31,492 | +11.2% |
| 1Q23 | 29,716 | +4.8% |
| 4Q22 | 27,073 | +5.3% |
| 3Q22 | 31,003 | +12.0% |
| 2Q22 | 28,316 | +7.2% |
| 1Q22 | 28,342 | +41.3% |
| 4Q21 | 25,715 | +56.7% |
| 3Q21 | 27,669 | +36.1% |
| 2Q21 | 26,423 | +14.9% |
| 1Q21 | 20,062 | -30.5% |
| 4Q20 | 16,415 | -45.3% |
| 3Q20 | 20,323 | -33.1% |
| 2Q20 | 22,995 | -6.1% |
| 1Q20 | 28,848 | +0.1% |
| 4Q19 | 29,993 | +35.8% |
| 3Q19 | 30,384 | +11.4% |
| 2Q19 | 24,487 | +42.0% |
| 1Q19 | 28,821 | +123.1% |
| 4Q18 | 22,091 | -7.1% |
| 3Q18 | 27,275 | +3.0% |
| 2Q18 | 17,249 | -14.0% |
| 1Q18 | 12,920 | -44.6% |
| 4Q17 | 23,792 | -5.2% |
| 3Q17 | 26,477 | +3.9% |
| 2Q17 | 20,048 | -15.4% |
| 1Q17 | 23,329 | -1.3% |
| 4Q16 | 25,110 | +5.1% |
| 3Q16 | 25,484 | +8.4% |
| 2Q16 | 23,704 | +0.9% |
| 1Q16 | 23,643 | +1.7% |
| 4Q15 | 23,893 | +6.1% |
| 3Q15 | 23,510 | +2.1% |
| 2Q15 | 23,504 | +32.7% |
| 1Q15 | 23,244 | +14.2% |
| 4Q14 | 22,526 | +10.4% |
| 3Q14 | 23,036 | +7.4% |
| 2Q14 | 17,712 | -8.6% |
| 1Q14 | 20,354 | +2.4% |
| 4Q13 | 20,407 | +0.8% |
| 3Q13 | 21,441 | +12.1% |
| 2Q13 | 19,373 | +12.3% |
| 1Q13 | 19,880 | +14.7% |
| 4Q12 | 20,247 | - |
| 3Q12 | 19,120 | +26.2% |
| 2Q12 | 17,250 | +23.3% |
| 1Q12 | 17,333 | - |
| 3Q11 | 15,156 | - |
| 2Q11 | 13,988 | - |