| （単位：千ドル） | 純利益 | 前年比（％） |
|---|---|---|
| 4Q20 | 17,672 | +38.2% |
| 1Q20 | 13,238 | -23.6% |
| 4Q19 | 12,787 | -43.0% |
| 3Q19 | 20,501 | +7.6% |
| 2Q19 | 22,361 | +25.6% |
| 1Q19 | 17,318 | +29.5% |
| 4Q18 | 22,440 | -41.9% |
| 3Q18 | 19,056 | +140.7% |
| 2Q18 | 17,803 | +21.8% |
| 1Q18 | 13,378 | -4.7% |
| 4Q17 | 38,605 | +194.4% |
| 3Q17 | 7,916 | -36.8% |
| 2Q17 | 14,616 | -10.7% |
| 1Q17 | 14,036 | -2.4% |
| 4Q16 | 13,114 | -22.9% |
| 3Q16 | 12,527 | -17.1% |
| 2Q16 | 16,368 | -29.8% |
| 1Q16 | 14,377 | -18.4% |
| 4Q15 | 17,015 | -21.0% |
| 3Q15 | 15,113 | -33.5% |
| 2Q15 | 23,316 | -11.9% |
| 1Q15 | 17,611 | +25.1% |
| 4Q14 | 21,544 | +36.0% |
| 3Q14 | 22,737 | +43.3% |
| 2Q14 | 26,472 | +38.3% |
| 1Q14 | 14,079 | -28.7% |
| 4Q13 | 15,842 | +10.8% |
| 3Q13 | 15,868 | +27.6% |
| 2Q13 | 19,138 | +5.0% |
| 1Q13 | 19,734 | +19.0% |
| 4Q12 | 14,292 | -16.5% |
| 3Q12 | 12,434 | -19.3% |
| 2Q12 | 18,227 | -19.1% |
| 1Q12 | 16,588 | +11.5% |
| 4Q11 | 17,122 | - |
| 3Q11 | 15,399 | -15.8% |
| 2Q11 | 22,532 | +35.3% |
| 1Q11 | 14,879 | - |
| 3Q10 | 18,297 | - |
| 2Q10 | 16,653 | - |