| （単位：千ドル） | 売掛金 | 前年比（％） |
|---|---|---|
| 1Q19 | 137,000 | -69.6% |
| 4Q18 | 121,000 | -68.6% |
| 3Q18 | 197,000 | -66.4% |
| 2Q18 | 206,000 | -65.6% |
| 1Q18 | 450,000 | -46.6% |
| 4Q17 | 385,000 | -36.9% |
| 3Q17 | 586,000 | +8.1% |
| 2Q17 | 598,000 | +4.4% |
| 1Q17 | 842,000 | +4.0% |
| 4Q16 | 610,000 | +4.1% |
| 3Q16 | 542,000 | +11.5% |
| 2Q16 | 573,000 | +11.7% |
| 1Q16 | 810,000 | +12.8% |
| 4Q15 | 586,000 | +13.6% |
| 3Q15 | 486,000 | +5.4% |
| 2Q15 | 513,000 | +4.1% |
| 1Q15 | 718,000 | -3.2% |
| 4Q14 | 516,000 | +2.2% |
| 3Q14 | 461,000 | +7.5% |
| 2Q14 | 493,000 | +9.1% |
| 1Q14 | 742,000 | +20.8% |
| 4Q13 | 505,000 | +14.3% |
| 3Q13 | 429,000 | +14.1% |
| 2Q13 | 452,000 | +15.0% |
| 1Q13 | 614,000 | +5.1% |
| 4Q12 | 442,000 | +8.1% |
| 3Q12 | 376,000 | +2.7% |
| 2Q12 | 393,000 | +0.8% |
| 1Q12 | 584,000 | -5.7% |
| 4Q11 | 409,000 | -3.8% |
| 3Q11 | 366,000 | +4.9% |
| 2Q11 | 390,000 | +10.5% |
| 1Q11 | 619,000 | - |
| 4Q10 | 425,000 | - |
| 3Q10 | 349,000 | - |
| 2Q10 | 353,000 | - |