| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q25 | 15,161 | -33.9% |
| 3Q24 | -9,459 | -166.3% |
| 2Q24 | 19,477 | +2.7% |
| 1Q24 | 22,924 | -4.8% |
| 3Q23 | 14,272 | -61.5% |
| 2Q23 | 18,956 | -28.1% |
| 1Q23 | 24,091 | -9.8% |
| 3Q22 | 37,037 | +94.7% |
| 2Q22 | 26,377 | +22.1% |
| 1Q22 | 26,702 | -8.7% |
| 3Q21 | 19,025 | -93.6% |
| 2Q21 | 21,602 | -18.4% |
| 1Q21 | 29,235 | -3.1% |
| 3Q20 | 298,406 | +994.6% |
| 2Q20 | 26,470 | -2.4% |
| 1Q20 | 30,165 | +17.4% |
| 3Q19 | 27,262 | -210.8% |
| 2Q19 | 27,113 | -9.6% |
| 1Q19 | 25,692 | -7.7% |
| 3Q18 | -24,608 | -183.4% |
| 2Q18 | 29,999 | +14.2% |
| 1Q18 | 27,840 | +27.8% |
| 3Q17 | 29,495 | +13.9% |
| 2Q17 | 26,263 | +43.5% |
| 1Q17 | 21,792 | +33.3% |
| 3Q16 | 25,906 | -12.3% |
| 2Q16 | 18,298 | -42.1% |
| 1Q16 | 16,344 | -45.4% |
| 3Q15 | 29,526 | -4.2% |
| 2Q15 | 31,578 | -7.7% |
| 1Q15 | 29,961 | +1.9% |
| 3Q14 | 30,811 | +1.9% |
| 2Q14 | 34,201 | +17.1% |
| 1Q14 | 29,389 | +2.4% |
| 3Q13 | 30,239 | +2.5% |
| 2Q13 | 29,216 | +1.2% |
| 1Q13 | 28,700 | -2.6% |
| 3Q12 | 29,498 | +6.8% |
| 2Q12 | 28,862 | +15.8% |
| 1Q12 | 29,469 | +3.5% |
| 3Q11 | 27,630 | +2.8% |
| 2Q11 | 24,928 | +0.6% |
| 1Q11 | 28,473 | - |
| 3Q10 | 26,889 | - |
| 2Q10 | 24,778 | - |