| （単位：千ドル） | 経常（税引前）利益 | 前年比（％） |
|---|---|---|
| 3Q21 | 4,964 | +148.3% |
| 2Q21 | 11,387 | +729.4% |
| 1Q21 | 10,246 | -296.0% |
| 3Q20 | 1,999 | -66.6% |
| 2Q20 | 1,373 | -69.9% |
| 1Q20 | -5,228 | -48.0% |
| 3Q19 | 5,984 | -1398.0% |
| 2Q19 | 4,556 | -124.9% |
| 1Q19 | -10,052 | -55.2% |
| 3Q18 | -461 | -103.4% |
| 2Q18 | -18,276 | -313.0% |
| 1Q18 | -22,442 | -459.6% |
| 3Q17 | 13,387 | +45.8% |
| 2Q17 | 8,581 | -68.4% |
| 1Q17 | 6,241 | +55.6% |
| 3Q16 | 9,183 | -50.7% |
| 2Q16 | 27,113 | -40.4% |
| 1Q16 | 4,010 | -83.5% |
| 3Q15 | 18,618 | - |
| 2Q15 | 45,506 | - |
| 1Q15 | 24,253 | - |