| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q25 | 8,596 | -1.9% |
| 3Q24 | 7,980 | -19.8% |
| 2Q24 | 8,865 | -5.3% |
| 1Q24 | 8,760 | -2.8% |
| 3Q23 | 9,955 | -10.4% |
| 2Q23 | 9,365 | -18.5% |
| 1Q23 | 9,016 | -22.9% |
| 3Q22 | 11,109 | -15.4% |
| 2Q22 | 11,496 | -6.1% |
| 1Q22 | 11,697 | -2.7% |
| 3Q21 | 13,138 | +9.3% |
| 2Q21 | 12,239 | +32.0% |
| 1Q21 | 12,020 | +7.4% |
| 3Q20 | 12,021 | +17.6% |
| 2Q20 | 9,275 | -8.6% |
| 1Q20 | 11,194 | +4.6% |
| 3Q19 | 10,220 | +11.5% |
| 2Q19 | 10,149 | +30.9% |
| 1Q19 | 10,704 | +19.5% |
| 3Q18 | 9,166 | +28.7% |
| 2Q18 | 7,756 | -8.2% |
| 1Q18 | 8,958 | -10.3% |
| 3Q17 | 7,122 | -3.0% |
| 2Q17 | 8,452 | +20.4% |
| 1Q17 | 9,984 | +24.7% |
| 3Q16 | 7,339 | +12.1% |
| 2Q16 | 7,018 | +10.3% |
| 1Q16 | 8,006 | +37.3% |
| 3Q15 | 6,548 | -8.5% |
| 2Q15 | 6,364 | +0.7% |
| 1Q15 | 5,829 | -30.6% |
| 3Q14 | 7,159 | +18.7% |
| 2Q14 | 6,318 | +14.2% |
| 1Q14 | 8,400 | +16.4% |
| 3Q13 | 6,029 | +6.8% |
| 2Q13 | 5,534 | +6.1% |
| 1Q13 | 7,217 | +18.7% |
| 3Q12 | 5,647 | +34.6% |
| 2Q12 | 5,216 | +36.2% |
| 1Q12 | 6,082 | - |
| 3Q11 | 4,194 | - |
| 2Q11 | 3,831 | - |