| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2Q23 | -4,434 | +61.6% |
| 4Q22 | -3,923 | +41.0% |
| 3Q22 | -2,471 | -27.6% |
| 2Q22 | -2,744 | -47.3% |
| 1Q22 | -3,252 | -19.0% |
| 4Q21 | -2,782 | -36.3% |
| 3Q21 | -3,412 | +30.3% |
| 2Q21 | -5,203 | +77.2% |
| 1Q21 | -4,014 | +22.3% |
| 4Q20 | -4,365 | +22.3% |
| 3Q20 | -2,618 | -18.9% |
| 2Q20 | -2,936 | -0.7% |
| 1Q20 | -3,282 | +16.0% |
| 4Q19 | -3,570 | -12.8% |
| 3Q19 | -3,228 | -28.2% |
| 2Q19 | -2,958 | -6.0% |
| 1Q19 | -2,829 | -21.3% |
| 4Q18 | -4,096 | +43.7% |
| 3Q18 | -4,498 | +56.9% |
| 2Q18 | -3,148 | +64.8% |
| 1Q18 | -3,595 | +61.0% |
| 4Q17 | -2,851 | +69.9% |
| 3Q17 | -2,866 | +73.2% |
| 2Q17 | -1,910 | +25.0% |
| 1Q17 | -2,233 | +83.5% |
| 4Q16 | -1,678 | +45.9% |
| 3Q16 | -1,655 | +53.4% |
| 2Q16 | -1,528 | +76.3% |
| 1Q16 | -1,218 | +56.1% |
| 4Q15 | -1,150 | - |
| 3Q15 | -1,079 | - |
| 2Q15 | -867 | - |
| 1Q15 | -780 | - |