| （単位：千ドル） | 営業費用 | 前年比（％） |
|---|---|---|
| 4Q23 | 1,551 | +1.1% |
| 3Q23 | 1,313 | -80.8% |
| 2Q23 | 1,408 | +18.5% |
| 1Q23 | 1,540 | +14.8% |
| 4Q22 | 1,533 | +17.8% |
| 3Q22 | 6,861 | -24.1% |
| 2Q22 | 1,188 | -32.7% |
| 1Q22 | 1,342 | -37.7% |
| 4Q21 | 1,302 | -60.1% |
| 3Q21 | 9,039 | +188.4% |
| 2Q21 | 1,765 | -48.1% |
| 1Q21 | 2,153 | -17.9% |
| 4Q20 | 3,261 | +6.5% |
| 3Q20 | 3,133 | +20.8% |
| 2Q20 | 3,405 | +32.9% |
| 1Q20 | 2,622 | -9.0% |
| 4Q19 | 3,063 | +34.1% |
| 3Q19 | 2,593 | +10.5% |
| 2Q19 | 2,563 | -28.7% |
| 1Q19 | 2,882 | +35.5% |
| 4Q18 | 2,285 | -32.4% |
| 3Q18 | 2,347 | +45.8% |
| 2Q18 | 3,593 | +98.8% |
| 1Q18 | 2,127 | +4.7% |
| 4Q17 | 3,379 | - |
| 3Q17 | 1,609 | - |
| 2Q17 | 1,807 | - |
| 1Q17 | 2,033 | - |