| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 4Q25 | 8,556 | -45.1% |
| 3Q25 | 15,002 | -19.8% |
| 2Q25 | 14,888 | -24.4% |
| 1Q25 | 11,631 | -26.0% |
| 4Q24 | 15,578 | -28.4% |
| 3Q24 | 18,716 | +16.7% |
| 2Q24 | 19,700 | -24.0% |
| 1Q24 | 15,727 | -32.8% |
| 4Q23 | 21,752 | -9.2% |
| 3Q23 | 16,033 | -48.8% |
| 2Q23 | 25,933 | -23.4% |
| 1Q23 | 23,403 | -15.6% |
| 4Q22 | 23,953 | -3.4% |
| 3Q22 | 31,319 | +7.0% |
| 2Q22 | 33,849 | +2.2% |
| 1Q22 | 27,744 | +42.6% |
| 4Q21 | 24,803 | +2.5% |
| 3Q21 | 29,266 | +9.5% |
| 2Q21 | 33,123 | +114.6% |
| 1Q21 | 19,451 | +39.8% |
| 4Q20 | 24,188 | +24.2% |
| 3Q20 | 26,718 | +20.6% |
| 2Q20 | 15,435 | -28.1% |
| 1Q20 | 13,915 | +18.8% |
| 4Q19 | 19,480 | -12.7% |
| 3Q19 | 22,161 | -2.2% |
| 2Q19 | 21,467 | -7.1% |
| 1Q19 | 11,713 | -13.8% |
| 4Q18 | 22,302 | +20.4% |
| 3Q18 | 22,663 | +11.4% |
| 2Q18 | 23,098 | +19.3% |
| 1Q18 | 13,588 | +30.6% |
| 4Q17 | 18,518 | +19.6% |
| 3Q17 | 20,344 | +32.2% |
| 2Q17 | 19,360 | +5.0% |
| 1Q17 | 10,407 | +12.0% |
| 4Q16 | 15,478 | -24.1% |
| 3Q16 | 15,387 | -33.3% |
| 2Q16 | 18,443 | -9.7% |
| 1Q16 | 9,294 | -7.0% |
| 4Q15 | 20,384 | +38.1% |
| 3Q15 | 23,075 | +70.2% |
| 2Q15 | 20,417 | +12.4% |
| 1Q15 | 9,991 | -5.1% |
| 4Q14 | 14,755 | -230.5% |
| 3Q14 | 13,559 | -12.5% |
| 2Q14 | 18,170 | +52.9% |
| 1Q14 | 10,526 | +100.6% |
| 4Q13 | -11,306 | -215.2% |
| 3Q13 | 15,501 | -1.5% |
| 2Q13 | 11,882 | -123.8% |
| 1Q13 | 5,246 | -117.4% |
| 4Q12 | 9,811 | - |
| 3Q12 | 15,736 | - |
| 2Q12 | -49,825 | -541.9% |
| 1Q12 | -30,172 | - |
| 2Q11 | 11,274 | - |