| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 3Q23 | 363 | -103.0% |
| 2Q23 | 131 | -97.6% |
| 1Q23 | 1,057 | -86.1% |
| 4Q22 | 4,686 | -26.6% |
| 3Q22 | -12,054 | -228.6% |
| 2Q22 | 5,550 | -0.5% |
| 1Q22 | 7,614 | -209.3% |
| 4Q21 | 6,383 | -1890.0% |
| 3Q21 | 9,374 | -627.7% |
| 2Q21 | 5,579 | -103.8% |
| 1Q21 | -6,964 | -95.6% |
| 4Q20 | -357 | -102.9% |
| 3Q20 | -1,777 | -115.0% |
| 2Q20 | -146,240 | -1328.9% |
| 1Q20 | -159,500 | -1474.5% |
| 4Q19 | 12,194 | +7.6% |
| 3Q19 | 11,825 | +6.9% |
| 2Q19 | 11,900 | +6.1% |
| 1Q19 | 11,604 | +11.0% |
| 4Q18 | 11,335 | -7.1% |
| 3Q18 | 11,058 | -3.1% |
| 2Q18 | 11,217 | -5.7% |
| 1Q18 | 10,455 | -10.4% |
| 4Q17 | 12,202 | +4.8% |
| 3Q17 | 11,409 | -3.9% |
| 2Q17 | 11,898 | +0.8% |
| 1Q17 | 11,674 | +52.3% |
| 4Q16 | 11,645 | +62.0% |
| 3Q16 | 11,867 | +195.9% |
| 2Q16 | 11,802 | +117.0% |
| 1Q16 | 7,663 | +55.6% |
| 4Q15 | 7,189 | +188.9% |
| 3Q15 | 4,011 | +45.5% |
| 2Q15 | 5,438 | +89.8% |
| 1Q15 | 4,924 | +94.1% |
| 4Q14 | 2,488 | - |
| 3Q14 | 2,757 | +114.0% |
| 2Q14 | 2,865 | +79.0% |
| 1Q14 | 2,537 | +40.9% |
| 3Q13 | 1,288 | - |
| 2Q13 | 1,600 | -1371.4% |
| 1Q13 | 1,800 | - |
| 4Q12 | -171 | - |
| 2Q12 | -126 | - |