| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q24 | -1,195 | -40.6% |
| 4Q23 | -3,031 | +88.0% |
| 3Q23 | -1,730 | -29.7% |
| 2Q23 | -1,620 | -20.5% |
| 1Q23 | -2,013 | +69.2% |
| 4Q22 | -1,612 | -71.4% |
| 3Q22 | -2,462 | +18.5% |
| 2Q22 | -2,038 | +14.6% |
| 1Q22 | -1,190 | +10.6% |
| 4Q21 | -5,634 | +208.7% |
| 3Q21 | -2,077 | -22.2% |
| 2Q21 | -1,779 | -53.7% |
| 1Q21 | -1,076 | -63.6% |
| 4Q20 | -1,825 | -50.7% |
| 3Q20 | -2,670 | -36.3% |
| 2Q20 | -3,839 | +4.7% |
| 1Q20 | -2,955 | -1.4% |
| 4Q19 | -3,699 | +49.1% |
| 3Q19 | -4,194 | +151.9% |
| 2Q19 | -3,666 | +69.2% |
| 1Q19 | -2,998 | +57.9% |
| 4Q18 | -2,481 | +38.3% |
| 3Q18 | -1,665 | +22.9% |
| 2Q18 | -2,167 | +15.9% |
| 1Q18 | -1,899 | +268.0% |
| 4Q17 | -1,794 | -1.2% |
| 3Q17 | -1,355 | -36.7% |
| 2Q17 | -1,869 | -67.1% |
| 1Q17 | -516 | -65.4% |
| 4Q16 | -1,815 | +306.0% |
| 3Q16 | -2,140 | +59.0% |
| 2Q16 | -5,686 | +267.8% |
| 1Q16 | -1,490 | -49.3% |
| 4Q15 | -447 | -86.5% |
| 3Q15 | -1,346 | -64.0% |
| 2Q15 | -1,546 | -48.1% |
| 1Q15 | -2,938 | +8.1% |
| 4Q14 | -3,323 | +2.0% |
| 3Q14 | -3,744 | +40.5% |
| 2Q14 | -2,978 | +129.1% |
| 1Q14 | -2,719 | -1.0% |
| 4Q13 | -3,259 | +56.8% |
| 3Q13 | -2,664 | +96.8% |
| 2Q13 | -1,300 | -54.9% |
| 1Q13 | -2,747 | +15.7% |
| 4Q12 | -2,078 | -47.8% |
| 3Q12 | -1,354 | -42.5% |
| 2Q12 | -2,880 | +45.8% |
| 1Q12 | -2,375 | - |
| 4Q11 | -3,983 | - |
| 3Q11 | -2,353 | - |
| 2Q11 | -1,975 | - |