| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 3Q23 | 11,872 | +2561.9% |
| 2Q23 | 17,570 | +670.6% |
| 1Q23 | 8,628 | +182.2% |
| 3Q22 | 446 | -97.2% |
| 2Q22 | 2,280 | -84.6% |
| 1Q22 | 3,057 | -45.5% |
| 3Q21 | 15,962 | -141.0% |
| 2Q21 | 14,832 | -635.5% |
| 1Q21 | 5,613 | -226.9% |
| 3Q20 | -38,927 | -349.1% |
| 2Q20 | -2,770 | -126.2% |
| 1Q20 | -4,422 | -118.9% |
| 3Q19 | 15,627 | +115.4% |
| 2Q19 | 10,575 | -49.3% |
| 1Q19 | 23,364 | +12.7% |
| 3Q18 | 7,256 | -76.1% |
| 2Q18 | 20,875 | -23.8% |
| 1Q18 | 20,724 | +45.9% |
| 3Q17 | 30,298 | -2.5% |
| 2Q17 | 27,392 | -8.2% |
| 1Q17 | 14,208 | -22.6% |
| 3Q16 | 31,062 | +4.3% |
| 2Q16 | 29,847 | -1.9% |
| 1Q16 | 18,350 | -17.8% |
| 3Q15 | 29,783 | +14.7% |
| 2Q15 | 30,431 | +9.9% |
| 1Q15 | 22,330 | +6.4% |
| 3Q14 | 25,956 | -17.4% |
| 2Q14 | 27,687 | -10.7% |
| 1Q14 | 20,989 | +52.5% |
| 3Q13 | 31,421 | +25.1% |
| 2Q13 | 31,017 | +8.8% |
| 1Q13 | 13,767 | -19.9% |
| 3Q12 | 25,109 | +23.4% |
| 2Q12 | 28,499 | +23.4% |
| 1Q12 | 17,180 | - |
| 3Q11 | 20,342 | - |
| 2Q11 | 23,102 | - |