| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 3Q16 | 236,000 | -6.7% |
| 2Q16 | 225,000 | +1.8% |
| 1Q16 | 293,000 | +48.0% |
| 3Q15 | 253,000 | -14.5% |
| 2Q15 | 221,000 | -10.9% |
| 1Q15 | 198,000 | -47.1% |
| 3Q14 | 296,000 | +56.6% |
| 2Q14 | 248,000 | +101.6% |
| 1Q14 | 374,000 | +59.1% |
| 3Q13 | 189,000 | -48.5% |
| 2Q13 | 123,000 | -74.6% |
| 1Q13 | 235,000 | -50.2% |
| 3Q12 | 367,000 | -22.7% |
| 2Q12 | 484,000 | +10.8% |
| 1Q12 | 472,000 | -33.1% |
| 3Q11 | 475,000 | +26.7% |
| 2Q11 | 437,000 | +2.3% |
| 1Q11 | 706,000 | - |
| 3Q10 | 375,000 | - |
| 2Q10 | 427,000 | - |