| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 3Q23 | 8,365 | +310.9% |
| 2Q23 | 13,249 | -44.4% |
| 1Q23 | -2,664 | +59.1% |
| 3Q22 | 2,036 | -822.0% |
| 2Q22 | 23,824 | -413.8% |
| 1Q22 | -1,674 | -92.8% |
| 3Q21 | -282 | -99.2% |
| 2Q21 | -7,592 | -81.7% |
| 1Q21 | -23,286 | +41.9% |
| 3Q20 | -34,110 | -357.2% |
| 2Q20 | -41,542 | -282.9% |
| 1Q20 | -16,409 | +2867.3% |
| 3Q19 | 13,264 | -24.1% |
| 2Q19 | 22,716 | -7.0% |
| 1Q19 | -553 | -81.5% |
| 3Q18 | 17,486 | +38.0% |
| 2Q18 | 24,418 | -1.1% |
| 1Q18 | -2,993 | -139.8% |
| 3Q17 | 12,675 | -40.6% |
| 2Q17 | 24,684 | -11.8% |
| 1Q17 | 7,511 | +81.6% |
| 3Q16 | 21,356 | -12.9% |
| 2Q16 | 27,977 | -6.8% |
| 1Q16 | 4,135 | -37.7% |
| 3Q15 | 24,519 | +36.1% |
| 2Q15 | 30,006 | +17.6% |
| 1Q15 | 6,641 | +18.1% |
| 3Q14 | 18,012 | +32.8% |
| 2Q14 | 25,520 | -23.3% |
| 1Q14 | 5,624 | +178.4% |
| 3Q13 | 13,568 | -25.8% |
| 2Q13 | 33,260 | +60.5% |
| 1Q13 | 2,020 | +714.5% |
| 3Q12 | 18,295 | +6.6% |
| 2Q12 | 20,722 | +11.8% |
| 1Q12 | 248 | - |
| 3Q11 | 17,168 | - |
| 2Q11 | 18,536 | - |