| （単位：千ドル） | 現金 + 有価証券 | 前年比（％） |
|---|---|---|
| 1Q22 | 5,164 | -56.3% |
| 4Q21 | 6,529 | -5.3% |
| 3Q21 | 6,990 | -21.3% |
| 2Q21 | 8,691 | +105.7% |
| 1Q21 | 11,806 | +109.5% |
| 4Q20 | 6,896 | +24.6% |
| 3Q20 | 8,883 | +25.0% |
| 2Q20 | 4,225 | -33.4% |
| 1Q20 | 5,636 | -6.8% |
| 4Q19 | 5,536 | -39.3% |
| 3Q19 | 7,107 | +1749.0% |
| 2Q19 | 6,348 | +502.9% |
| 1Q19 | 6,044 | +87.5% |
| 4Q18 | 9,126 | +912.8% |
| 3Q18 | 384 | -20.0% |
| 2Q18 | 1,053 | +599.9% |
| 1Q18 | 3,223 | +904.9% |
| 4Q17 | 901 | +176.4% |
| 3Q17 | 480 | +172.8% |
| 2Q17 | 150 | -34.6% |
| 1Q17 | 320 | +130.9% |
| 4Q16 | 325 | +731.7% |
| 3Q16 | 176 | +273.4% |
| 2Q16 | 230 | +451113.7% |
| 1Q16 | 138 | - |
| 4Q15 | 39 | +103044.7% |
| 3Q15 | 47 | +90584.6% |
| 2Q15 | 0 | - |
| 4Q14 | 0 | - |
| 3Q14 | 0 | - |