| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q25 | 53,530 | +8.3% |
| 3Q24 | 50,520 | +13.4% |
| 2Q24 | 49,657 | -3.7% |
| 1Q24 | 49,406 | -2.8% |
| 3Q23 | 44,531 | -6.2% |
| 2Q23 | 51,591 | -6.6% |
| 1Q23 | 50,838 | -3.7% |
| 3Q22 | 47,493 | +1.1% |
| 2Q22 | 55,244 | +54.5% |
| 1Q22 | 52,789 | +12.6% |
| 3Q21 | 46,958 | +14.1% |
| 2Q21 | 35,753 | -15.1% |
| 1Q21 | 46,897 | +35.7% |
| 3Q20 | 41,155 | +6.1% |
| 2Q20 | 42,125 | -11.1% |
| 1Q20 | 34,561 | -30.1% |
| 3Q19 | 38,788 | -22.8% |
| 2Q19 | 47,368 | -9.2% |
| 1Q19 | 49,420 | -11.2% |
| 3Q18 | 50,264 | -3.4% |
| 2Q18 | 52,181 | +17.6% |
| 1Q18 | 55,681 | +131.6% |
| 3Q17 | 52,010 | +1.7% |
| 2Q17 | 44,380 | +1.6% |
| 1Q17 | 24,037 | -49.4% |
| 3Q16 | 51,151 | +18.4% |
| 2Q16 | 43,665 | -3.1% |
| 1Q16 | 47,519 | +2.3% |
| 3Q15 | 43,220 | +19.7% |
| 2Q15 | 45,067 | -6.5% |
| 1Q15 | 46,446 | +2841.5% |
| 3Q14 | 36,094 | - |
| 2Q14 | 48,209 | -1.0% |
| 1Q14 | 1,579 | -95.7% |
| 2Q13 | 48,678 | -10.4% |
| 1Q13 | 36,338 | -21.8% |
| 3Q12 | 50,701 | +1.5% |
| 2Q12 | 54,298 | -0.1% |
| 1Q12 | 46,489 | +6.6% |
| 3Q11 | 49,943 | +4.6% |
| 2Q11 | 54,333 | +15.2% |
| 1Q11 | 43,597 | - |
| 3Q10 | 47,760 | - |
| 2Q10 | 47,146 | - |