| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q25 | 35,586 | -3.6% |
| 3Q24 | 48,987 | +12.5% |
| 2Q24 | 48,401 | +12.4% |
| 1Q24 | 36,927 | -7.9% |
| 3Q23 | 43,544 | +12.0% |
| 2Q23 | 43,078 | +15.0% |
| 1Q23 | 40,114 | -28.3% |
| 3Q22 | 38,886 | +35.4% |
| 2Q22 | 37,468 | +106.8% |
| 1Q22 | 55,973 | +184.8% |
| 3Q21 | 28,728 | +34.7% |
| 2Q21 | 33,010 | - |
| 1Q21 | 23,427 | - |
| 3Q20 | 21,335 | -13.1% |
| 2Q21 | 18,121 | - |
| 1Q21 | 19,655 | - |
| 3Q19 | 24,553 | -10.3% |
| 2Q19 | 23,142 | +17.3% |
| 1Q19 | 18,575 | +11.5% |
| 3Q18 | 27,375 | +40.7% |
| 2Q18 | 19,735 | +72.5% |
| 1Q18 | 16,664 | +38.3% |
| 3Q17 | 19,458 | +53.4% |
| 2Q17 | 11,443 | -9.5% |
| 1Q17 | 12,046 | +16.2% |
| 3Q16 | 12,561 | +23.7% |
| 2Q16 | 12,244 | +1.7% |
| 1Q16 | 10,093 | +32.4% |
| 3Q16 | 12,681 | +24.9% |
| 2Q16 | 12,643 | +5.0% |
| 1Q16 | 10,371 | +36.1% |
| 3Q15 | 10,151 | - |
| 2Q15 | 12,036 | - |
| 1Q15 | 7,621 | - |
| 3Q13 | 9,912 | -0.0% |
| 2Q13 | 8,425 | -10.5% |
| 1Q13 | 7,372 | -29.0% |
| 3Q12 | 9,914 | -8.2% |
| 2Q12 | 9,415 | -10.2% |
| 1Q12 | 10,390 | - |
| 3Q11 | 10,805 | - |
| 2Q11 | 10,482 | - |