| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q25 | 52,865 | +29.7% |
| 3Q24 | 48,140 | +9.9% |
| 2Q24 | 29,735 | -22.5% |
| 1Q24 | 40,745 | +1.8% |
| 3Q23 | 43,792 | +3.1% |
| 2Q23 | 38,390 | +50.8% |
| 1Q23 | 40,034 | -4.4% |
| 3Q22 | 42,487 | +13.0% |
| 2Q22 | 25,458 | +8.8% |
| 1Q22 | 41,863 | +7.2% |
| 3Q21 | 37,598 | -1.9% |
| 2Q21 | 23,393 | +8.7% |
| 1Q21 | 39,054 | +24.2% |
| 4Q20 | 18,712 | -14.5% |
| 3Q20 | 38,325 | -1.1% |
| 2Q20 | 21,520 | +8.8% |
| 1Q20 | 31,440 | +3.0% |
| 4Q19 | 21,877 | -8.8% |
| 3Q19 | 38,738 | -2.7% |
| 2Q19 | 19,783 | -18.4% |
| 1Q19 | 30,512 | +16.5% |
| 4Q18 | 23,990 | -8.7% |
| 3Q18 | 39,798 | -7.4% |
| 2Q18 | 24,231 | -8.7% |
| 1Q18 | 26,188 | -20.4% |
| 4Q17 | 26,274 | +9.7% |
| 3Q17 | 43,001 | -7.6% |
| 2Q17 | 26,551 | -5.9% |
| 1Q17 | 32,910 | +11.4% |
| 4Q16 | 23,958 | +8.0% |
| 3Q16 | 46,527 | +0.8% |
| 2Q16 | 28,212 | +17.3% |
| 1Q16 | 29,531 | -7.3% |
| 4Q15 | 22,178 | -25.0% |
| 3Q15 | 46,177 | +15.1% |
| 2Q15 | 24,049 | -1.6% |
| 1Q15 | 31,851 | -27.6% |
| 4Q14 | 29,566 | +13.9% |
| 3Q14 | 40,120 | +0.6% |
| 2Q14 | 24,441 | - |
| 1Q14 | 43,971 | +16.9% |
| 4Q13 | 25,962 | +34.2% |
| 3Q13 | 39,900 | 0.0% |
| 1Q13 | 37,628 | +32.3% |
| 4Q12 | 19,350 | +11.0% |
| 3Q12 | 39,888 | - |
| 2Q12 | 25,081 | - |
| 1Q12 | 28,444 | -7.9% |
| 4Q11 | 17,439 | - |
| 1Q11 | 30,898 | - |
| 3Q10 | 34,352 | - |