| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q25 | 46,200 | +4.5% |
| 3Q24 | 5,800 | -27.5% |
| 2Q24 | 12,400 | +5.1% |
| 1Q24 | 44,200 | +11.9% |
| 3Q23 | 8,000 | +11.1% |
| 2Q23 | 11,800 | -0.8% |
| 1Q23 | 39,500 | +10.3% |
| 3Q22 | 7,200 | 0.0% |
| 2Q22 | 11,900 | +10.2% |
| 1Q22 | 35,800 | +7.2% |
| 3Q21 | 7,200 | -2.7% |
| 2Q21 | 10,800 | -2.7% |
| 1Q21 | 33,400 | +21.0% |
| 4Q20 | 25,300 | +15.0% |
| 3Q20 | 7,400 | -26.0% |
| 2Q20 | 11,100 | -9.8% |
| 1Q20 | 27,600 | -4.2% |
| 4Q19 | 22,000 | -0.9% |
| 3Q19 | 10,000 | -2.9% |
| 2Q19 | 12,300 | +16.0% |
| 1Q19 | 28,800 | +2.5% |
| 4Q18 | 22,200 | -5.9% |
| 3Q18 | 10,300 | +8.4% |
| 2Q18 | 10,600 | +1.0% |
| 1Q18 | 28,100 | +7.7% |
| 4Q17 | 23,600 | +10.8% |
| 3Q17 | 9,500 | -14.4% |
| 2Q17 | 10,500 | +10.5% |
| 1Q17 | 26,100 | +11.5% |
| 4Q16 | 21,300 | +15.1% |
| 3Q16 | 11,100 | +52.1% |
| 2Q16 | 9,500 | +6.7% |
| 1Q16 | 23,400 | -17.6% |
| 4Q15 | 18,500 | -8.0% |
| 3Q15 | 7,300 | -1.4% |
| 2Q15 | 8,900 | +25.4% |
| 1Q15 | 28,400 | +11.8% |
| 4Q14 | 20,100 | -6.5% |
| 3Q14 | 7,400 | +34.5% |
| 2Q14 | 7,100 | +54.3% |
| 1Q14 | 25,400 | +63.9% |
| 4Q13 | 21,500 | +62.9% |
| 3Q13 | 5,500 | +10.0% |
| 2Q13 | 4,600 | +7.0% |
| 1Q13 | 15,500 | +10.7% |
| 4Q12 | 13,200 | - |
| 3Q12 | 5,000 | -3.8% |
| 2Q12 | 4,300 | +2.4% |
| 1Q12 | 14,000 | +4.5% |
| 3Q11 | 5,200 | - |
| 2Q11 | 4,200 | - |
| 1Q11 | 13,400 | - |