| （単位：千ドル） | 売掛金 | 前年比（％） |
|---|---|---|
| 4Q20 | 27,500 | +13.6% |
| 3Q20 | 28,900 | +189.0% |
| 2Q20 | 18,600 | +73.8% |
| 1Q20 | 32,300 | +128.6% |
| 4Q19 | 24,200 | +109.7% |
| 3Q19 | 10,000 | -30.1% |
| 2Q20 | 10,700 | -39.7% |
| 2Q19 | 14,127 | -2.5% |
| 1Q19 | 11,542 | -9.0% |
| 4Q18 | 14,302 | -30.1% |
| 3Q18 | 17,756 | +18.2% |
| 2Q18 | 14,491 | -33.4% |
| 1Q18 | 12,680 | - |
| 4Q17 | 20,469 | - |
| 3Q17 | 15,021 | - |
| 2Q17 | 21,752 | - |