| （単位：ドル） | 売掛金 | 前年比（％） |
|---|---|---|
| 4Q21 | 4,000 | -93.4% |
| 3Q21 | 19,000 | -77.1% |
| 2Q21 | 59,000 | -56.6% |
| 1Q21 | 25,000 | -91.6% |
| 4Q20 | 61,000 | -86.3% |
| 3Q20 | 83,000 | -85.8% |
| 2Q20 | 136,000 | -86.1% |
| 1Q20 | 297,000 | -68.2% |
| 4Q19 | 444,000 | -52.5% |
| 3Q19 | 583,000 | -23.7% |
| 2Q19 | 978,000 | +37.2% |
| 1Q19 | 935,000 | +3.0% |
| 4Q18 | 935,000 | +47.0% |
| 3Q18 | 764,000 | -12.1% |
| 2Q18 | 713,000 | +9.3% |
| 1Q18 | 908,000 | +53.7% |
| 4Q17 | 636,000 | +20.4% |
| 3Q17 | 869,449 | +74.2% |
| 2Q17 | 652,564 | +63.4% |
| 1Q17 | 590,594 | +46.3% |
| 4Q16 | 528,283 | +33.7% |
| 3Q16 | 499,002 | +17.4% |
| 2Q16 | 399,466 | - |
| 1Q16 | 403,634 | - |
| 4Q15 | 395,172 | - |
| 3Q15 | 424,883 | - |