| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2Q25 | 30,897 | -0.1% |
| 1Q25 | 14,522 | +7.9% |
| 3Q24 | 30,041 | -6.2% |
| 2Q24 | 30,919 | +23.3% |
| 1Q24 | 13,464 | -25.7% |
| 3Q23 | 32,022 | +0.9% |
| 2Q23 | 25,071 | -27.9% |
| 1Q23 | 18,117 | -39.9% |
| 3Q22 | 31,739 | +16.1% |
| 2Q22 | 34,770 | +46.3% |
| 1Q22 | 30,134 | +113.4% |
| 3Q21 | 27,328 | +29.7% |
| 2Q21 | 23,764 | +124.4% |
| 1Q21 | 14,120 | -31.6% |
| 4Q20 | 19,759 | -33.3% |
| 3Q20 | 21,077 | -35.4% |
| 2Q20 | 10,588 | -67.2% |
| 1Q20 | 20,650 | +18.6% |
| 4Q19 | 29,603 | +12.5% |
| 3Q19 | 32,637 | +72.2% |
| 2Q19 | 32,323 | +29.6% |
| 1Q19 | 17,409 | +12.5% |
| 4Q18 | 26,317 | +20.2% |
| 3Q18 | 18,950 | -12.8% |
| 2Q18 | 24,947 | +11.2% |
| 1Q18 | 15,472 | +35.1% |
| 4Q17 | 21,896 | -0.0% |
| 3Q17 | 21,739 | -3.1% |
| 2Q17 | 22,440 | +6.8% |
| 1Q17 | 11,452 | -24.5% |
| 4Q16 | 21,901 | -4.3% |
| 3Q16 | 22,445 | +2.7% |
| 2Q16 | 21,010 | +7.1% |
| 1Q16 | 15,164 | +6.9% |
| 4Q15 | 22,891 | +13.9% |
| 3Q15 | 21,861 | +7.1% |
| 2Q15 | 19,623 | +2.2% |
| 1Q15 | 14,179 | +20.7% |
| 4Q14 | 20,089 | +22.7% |
| 3Q14 | 20,417 | +16.6% |
| 2Q14 | 19,202 | +24.8% |
| 1Q14 | 11,746 | +16.0% |
| 4Q13 | 16,378 | +11.9% |
| 3Q13 | 17,510 | +7.4% |
| 2Q13 | 15,383 | +4.9% |
| 1Q13 | 10,125 | +12.2% |
| 4Q12 | 14,638 | - |
| 3Q12 | 16,300 | +2.6% |
| 2Q12 | 14,668 | +18.1% |
| 1Q12 | 9,026 | - |
| 3Q11 | 15,882 | - |
| 2Q11 | 12,417 | - |