| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q23 | -13,687 | -7.9% |
| 3Q22 | -15,800 | +29.4% |
| 2Q22 | -15,019 | +39.3% |
| 1Q22 | -14,857 | +53.1% |
| 3Q21 | -12,212 | +14.8% |
| 2Q21 | -10,780 | +22.0% |
| 1Q21 | -9,702 | -28.5% |
| 3Q20 | -10,636 | -13.9% |
| 2Q20 | -8,839 | -35.9% |
| 1Q20 | -13,561 | 0.0% |
| 4Q19 | -12,367 | -9.0% |
| 3Q19 | -12,346 | +34.6% |
| 2Q19 | -13,786 | +26.6% |
| 1Q19 | -13,559 | +18.6% |
| 4Q18 | -13,594 | -5.4% |
| 3Q18 | -9,174 | -26.2% |
| 2Q18 | -10,887 | -21.7% |
| 1Q18 | -11,435 | -13.0% |
| 4Q17 | -14,366 | - |
| 3Q17 | -12,437 | +4.1% |
| 2Q17 | -13,904 | +4.5% |
| 1Q17 | -13,145 | +3.3% |
| 3Q16 | -11,945 | +7.0% |
| 2Q16 | -13,303 | +26.4% |
| 1Q16 | -12,723 | +25.3% |
| 4Q15 | -11,545 | +30.6% |
| 3Q15 | -11,165 | +43.4% |
| 2Q15 | -10,524 | +47.2% |
| 1Q15 | -10,151 | - |
| 4Q14 | -8,838 | - |
| 3Q14 | -7,787 | - |
| 2Q14 | -7,149 | - |