| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 2Q23 | 4,324 | -14.7% |
| 1Q23 | 4,540 | -21.0% |
| 4Q22 | 4,431 | -21.4% |
| 3Q22 | 4,578 | -16.6% |
| 2Q22 | 5,072 | -5.6% |
| 1Q22 | 5,747 | +6.8% |
| 4Q21 | 5,639 | +11.5% |
| 3Q21 | 5,491 | +19.1% |
| 2Q21 | 5,371 | -8.7% |
| 1Q21 | 5,380 | -17.4% |
| 4Q20 | 5,059 | - |
| 3Q20 | 4,612 | - |
| 2Q20 | 5,886 | - |
| 1Q20 | 6,513 | - |
| 4Q17 | 7,524 | - |
| 3Q12 | 1,183 | -9.4% |
| 2Q12 | 1,289 | -7.8% |
| 1Q12 | 1,385 | - |
| 4Q11 | 1,319 | - |
| 3Q11 | 1,306 | - |
| 2Q11 | 1,398 | - |