| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q24 | 18,900 | -2.1% |
| 3Q23 | 21,000 | -11.8% |
| 2Q23 | 25,300 | -1.2% |
| 1Q23 | 19,300 | -4.0% |
| 3Q22 | 23,800 | +25.9% |
| 2Q22 | 25,600 | +39.9% |
| 1Q22 | 20,100 | +82.7% |
| 3Q21 | 18,900 | -116.3% |
| 2Q21 | 18,300 | -138.3% |
| 1Q21 | 11,000 | -118.8% |
| 3Q20 | -116,200 | -557.5% |
| 2Q20 | -47,800 | -277.7% |
| 1Q20 | -58,400 | -409.0% |
| 4Q19 | 18,500 | +18.6% |
| 3Q19 | 25,400 | +14.9% |
| 2Q19 | 26,900 | +10.7% |
| 1Q19 | 18,900 | +44.3% |
| 4Q18 | 15,600 | -8.8% |
| 3Q18 | 22,100 | +3.3% |
| 2Q18 | 24,300 | -19.5% |
| 1Q18 | 13,100 | +3.1% |
| 4Q17 | 17,100 | -0.6% |
| 3Q17 | 21,400 | +35.4% |
| 2Q17 | 30,200 | +100.0% |
| 1Q17 | 12,700 | +176.1% |
| 4Q16 | 17,200 | +149.3% |
| 3Q16 | 15,800 | +46.2% |
| 2Q16 | 15,100 | +11.6% |
| 1Q16 | 4,600 | -39.3% |
| 4Q15 | 6,900 | -33.5% |
| 3Q15 | 10,809 | -8.9% |
| 2Q15 | 13,531 | -10.8% |
| 1Q15 | 7,583 | +267.6% |
| 4Q14 | 10,372 | -28.7% |
| 3Q14 | 11,868 | +2.1% |
| 2Q14 | 15,168 | +41.4% |
| 1Q14 | 2,063 | -62.9% |
| 4Q13 | 14,546 | -257.9% |
| 3Q13 | 11,623 | +90.3% |
| 2Q13 | 10,729 | +32.6% |
| 1Q13 | 5,564 | +14.6% |
| 4Q12 | -9,211 | - |
| 3Q12 | 6,109 | -43.0% |
| 2Q12 | 8,093 | -7.6% |
| 1Q12 | 4,856 | - |
| 3Q11 | 10,725 | - |
| 2Q11 | 8,761 | - |