| （単位：千ドル） | 経常（税引前）利益 | 前年比（％） |
|---|---|---|
| 1Q24 | 25,695 | 0.0% |
| 4Q23 | 27,151 | -41.0% |
| 3Q23 | 28,694 | -25.2% |
| 2Q23 | 29,256 | -24.3% |
| 1Q23 | 25,692 | +22.7% |
| 4Q22 | 46,053 | +59.2% |
| 3Q22 | 38,349 | +26.6% |
| 2Q22 | 38,653 | +4.8% |
| 1Q22 | 20,937 | -33.0% |
| 4Q21 | 28,935 | +19.3% |
| 3Q21 | 30,303 | +61.1% |
| 2Q21 | 36,871 | - |
| 1Q21 | 31,226 | +93.0% |
| 4Q20 | 24,246 | - |
| 3Q20 | 18,810 | -25.6% |
| 1Q20 | 16,183 | -18.4% |
| 3Q19 | 25,283 | +23.8% |
| 2Q19 | 23,901 | +18.7% |
| 1Q19 | 19,837 | +3.6% |
| 4Q18 | 20,580 | -2.4% |
| 3Q18 | 20,424 | -2.2% |
| 2Q18 | 20,136 | -1.0% |
| 1Q18 | 19,149 | +8.0% |
| 4Q17 | 21,088 | +15.9% |
| 3Q17 | 20,893 | +21.7% |
| 2Q17 | 20,339 | +33.3% |
| 1Q17 | 17,729 | +45.1% |
| 4Q16 | 18,193 | +42.6% |
| 3Q16 | 17,166 | +44.8% |
| 2Q16 | 15,262 | +30.5% |
| 1Q16 | 12,218 | -1.0% |
| 4Q15 | 12,755 | +10.4% |
| 3Q15 | 11,857 | -4.2% |
| 2Q15 | 11,692 | +0.2% |
| 1Q15 | 12,344 | +15.5% |
| 4Q14 | 11,552 | +4.6% |
| 3Q14 | 12,382 | +25.8% |
| 2Q14 | 11,667 | +30.3% |
| 1Q14 | 10,687 | +41.0% |
| 4Q13 | 11,044 | +29.7% |
| 3Q13 | 9,846 | +23.4% |
| 2Q13 | 8,952 | +9.5% |
| 1Q13 | 7,577 | +5.6% |
| 4Q12 | 8,517 | +15.7% |
| 3Q12 | 7,977 | +8.6% |
| 2Q12 | 8,172 | +16.9% |
| 1Q12 | 7,172 | - |
| 4Q11 | 7,361 | - |
| 3Q11 | 7,348 | - |
| 2Q11 | 6,993 | - |