| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q25 | 38,390 | -6.2% |
| 3Q24 | 46,024 | +44.3% |
| 1Q24 | 42,407 | +32.3% |
| 1Q24 | 40,944 | +30.2% |
| 3Q23 | 31,901 | +13.0% |
| 2Q23 | 32,047 | +7.6% |
| 1Q23 | 31,451 | +13.5% |
| 3Q22 | 28,234 | -12.5% |
| 2Q22 | 29,776 | -6.8% |
| 1Q22 | 27,703 | -1.5% |
| 3Q21 | 32,265 | +14.2% |
| 2Q21 | 31,954 | +40.3% |
| 1Q21 | 28,129 | +72.4% |
| 4Q20 | 21,758 | -23.1% |
| 3Q20 | 28,250 | -1.4% |
| 2Q20 | 22,782 | +1.1% |
| 1Q20 | 16,319 | -25.4% |
| 4Q19 | 28,298 | -3.9% |
| 3Q19 | 28,664 | +18.3% |
| 2Q19 | 22,542 | +7.2% |
| 1Q19 | 21,889 | +24.5% |
| 4Q18 | 29,443 | +45.9% |
| 3Q18 | 24,222 | +3.5% |
| 2Q18 | 21,025 | -5.3% |
| 1Q18 | 17,582 | +5.7% |
| 4Q17 | 20,181 | -8.1% |
| 3Q17 | 23,396 | -1.6% |
| 2Q17 | 22,208 | +14.7% |
| 1Q17 | 16,633 | -6.0% |
| 4Q16 | 21,965 | +15.4% |
| 3Q16 | 23,776 | +10.6% |
| 2Q16 | 19,358 | +3.3% |
| 1Q16 | 17,694 | +10.9% |
| 4Q15 | 19,038 | +14.6% |
| 3Q15 | 21,497 | +16.0% |
| 2Q15 | 18,734 | +6.6% |
| 1Q15 | 15,962 | -4.1% |
| 4Q14 | 16,610 | +32.0% |
| 3Q14 | 18,528 | +8.0% |
| 2Q14 | 17,574 | +1.6% |
| 1Q14 | 16,650 | -5.7% |
| 4Q13 | 12,587 | -12.7% |
| 3Q13 | 17,154 | +1.7% |
| 2Q13 | 17,295 | -4.3% |
| 1Q13 | 17,649 | +8.7% |
| 4Q12 | 14,426 | - |
| 3Q12 | 16,875 | +4.9% |
| 2Q12 | 18,065 | +16.5% |
| 1Q12 | 16,236 | - |
| 3Q11 | 16,094 | - |
| 2Q11 | 15,504 | - |