| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q25 | 44,462 | -5.4% |
| 3Q24 | 40,079 | -19.4% |
| 2Q24 | 43,309 | -20.4% |
| 1Q24 | 46,979 | -4.2% |
| 3Q23 | 49,753 | +38.8% |
| 2Q23 | 54,392 | +32.9% |
| 1Q23 | 49,024 | +68.4% |
| 3Q22 | 35,840 | +19.3% |
| 2Q22 | 40,916 | +21.8% |
| 1Q22 | 29,119 | +14.5% |
| 3Q21 | 30,043 | -2.8% |
| 2Q21 | 33,590 | +48.2% |
| 1Q21 | 25,438 | +6.6% |
| 3Q20 | 30,923 | +26.4% |
| 2Q20 | 22,661 | -22.8% |
| 1Q20 | 23,856 | +5.5% |
| 3Q19 | 24,455 | -13.4% |
| 2Q19 | 29,349 | +9.6% |
| 1Q19 | 22,606 | +5.8% |
| 3Q18 | 28,249 | +2.3% |
| 2Q18 | 26,786 | +32.9% |
| 1Q18 | 21,361 | +6.3% |
| 3Q17 | 27,611 | +31.4% |
| 2Q17 | 20,157 | +11.7% |
| 1Q17 | 20,101 | +23.4% |
| 3Q16 | 21,012 | -10.9% |
| 2Q16 | 18,041 | +9.8% |
| 1Q16 | 16,289 | +34.3% |
| 3Q15 | 23,570 | +9.5% |
| 2Q15 | 16,435 | +11.1% |
| 1Q15 | 12,128 | +14.1% |
| 3Q14 | 21,526 | +40.5% |
| 2Q14 | 14,796 | -15.7% |
| 1Q14 | 10,631 | +9.2% |
| 3Q13 | 15,326 | +17.2% |
| 2Q13 | 17,561 | +22.6% |
| 1Q13 | 9,739 | -11.4% |
| 3Q12 | 13,078 | -9.6% |
| 2Q12 | 14,325 | +4.5% |
| 1Q12 | 10,993 | - |
| 3Q11 | 14,461 | - |
| 2Q11 | 13,706 | - |