| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 3Q23 | 5,600 | -64.6% |
| 2Q23 | 18,700 | - |
| 1Q23 | 4,500 | -74.3% |
| 4Q22 | 1,000 | - |
| 3Q22 | 15,800 | -72.3% |
| 1Q22 | 24,800 | -68.8% |
| 1Q22 | 17,500 | -78.0% |
| 3Q21 | 57,100 | +2.9% |
| 2Q21 | 75,900 | +63.2% |
| 1Q21 | 79,500 | -11457.1% |
| 3Q20 | 55,500 | +178.9% |
| 2Q20 | 46,500 | -32.4% |
| 1Q20 | -700 | -101.2% |
| 3Q19 | 19,900 | -70.4% |
| 2Q19 | 68,800 | -30.8% |
| 1Q19 | 58,200 | -15.7% |
| 3Q18 | 67,200 | -1.2% |
| 2Q18 | 99,400 | -6312.5% |
| 1Q18 | 69,000 | -9.0% |
| 3Q17 | 68,000 | -25.3% |
| 2Q17 | -1,600 | -102.0% |
| 1Q17 | 75,800 | +8.3% |
| 3Q16 | 91,000 | +47.5% |
| 2Q16 | 81,500 | -17.7% |
| 1Q16 | 70,000 | +14.4% |
| 3Q15 | 61,700 | +11.8% |
| 2Q15 | 99,000 | +2.0% |
| 1Q15 | 61,200 | -36.6% |
| 3Q14 | 55,200 | -27.7% |
| 2Q14 | 97,100 | -12.6% |
| 1Q14 | 96,600 | +8.1% |
| 3Q13 | 76,400 | +1.6% |
| 2Q13 | 111,100 | +234.6% |
| 1Q13 | 89,400 | +3.8% |
| 3Q12 | 75,200 | +121.8% |
| 2Q12 | 33,200 | -68.6% |
| 1Q12 | 86,100 | +6.7% |
| 3Q11 | 33,900 | -45.0% |
| 2Q11 | 105,700 | +32.0% |
| 1Q11 | 80,700 | - |
| 3Q10 | 61,600 | - |
| 2Q10 | 80,100 | - |