| （単位：千ドル） | 売掛金 | 前年比（％） |
|---|---|---|
| 4Q21 | 4,492 | +11.0% |
| 3Q21 | 4,923 | -0.2% |
| 2Q21 | 4,511 | -10.4% |
| 1Q21 | 4,899 | -15.6% |
| 4Q20 | 4,047 | -41.0% |
| 3Q20 | 4,933 | -29.3% |
| 2Q20 | 5,033 | -27.7% |
| 1Q20 | 5,806 | -45.1% |
| 4Q19 | 6,865 | -22.6% |
| 3Q19 | 6,980 | -36.9% |
| 2Q19 | 6,957 | -37.0% |
| 1Q19 | 10,571 | +2.3% |
| 4Q18 | 8,872 | -26.5% |
| 3Q18 | 11,070 | -1.3% |
| 2Q18 | 11,038 | -19.1% |
| 1Q18 | 10,337 | -5.0% |
| 4Q17 | 12,075 | -26.2% |
| 3Q17 | 11,212 | -11.2% |
| 2Q17 | 13,639 | -20.4% |
| 1Q17 | 10,885 | -24.7% |
| 4Q16 | 16,361 | +38.1% |
| 3Q16 | 12,626 | +77.0% |
| 2Q16 | 17,130 | +43.6% |
| 1Q16 | 14,452 | -14.6% |
| 4Q15 | 11,845 | -25.3% |
| 3Q15 | 7,132 | -42.3% |
| 2Q15 | 11,925 | -44.2% |
| 1Q15 | 16,913 | +31.3% |
| 4Q14 | 15,851 | +137.0% |
| 3Q14 | 12,357 | +150.3% |
| 2Q14 | 21,369 | +259.5% |
| 1Q14 | 12,881 | +112.7% |
| 4Q13 | 6,689 | +17.1% |
| 3Q13 | 4,936 | -9.0% |
| 2Q13 | 5,944 | -66.8% |
| 1Q13 | 6,056 | -68.5% |
| 4Q12 | 5,710 | - |
| 3Q12 | 5,426 | - |
| 2Q12 | 17,900 | - |
| 1Q12 | 19,195 | - |