| （単位：千ドル） | 現金 + 有価証券 | 前年比（％） |
|---|---|---|
| 4Q22 | 10,000 | -51.5% |
| 3Q22 | 9,394 | -59.5% |
| 2Q22 | 11,702 | -55.8% |
| 1Q22 | 16,440 | -50.3% |
| 4Q21 | 20,608 | +743.2% |
| 3Q21 | 23,203 | +1947.9% |
| 2Q21 | 26,485 | +824.8% |
| 1Q21 | 33,074 | +738.8% |
| 4Q20 | 2,444 | -42.2% |
| 3Q20 | 1,133 | -54.6% |
| 2Q20 | 2,864 | +181.6% |
| 1Q20 | 3,943 | +276.6% |
| 4Q19 | 4,230 | +727.8% |
| 3Q19 | 2,497 | +60.5% |
| 2Q19 | 1,017 | -47.9% |
| 1Q19 | 1,047 | -76.3% |
| 4Q18 | 511 | -94.6% |
| 3Q18 | 1,556 | -67.6% |
| 2Q18 | 1,951 | -68.4% |
| 1Q18 | 4,421 | -54.3% |
| 4Q17 | 9,541 | +0.4% |
| 3Q17 | 4,807 | -55.1% |
| 2Q17 | 6,170 | -41.5% |
| 1Q17 | 9,664 | -27.2% |
| 4Q16 | 9,502 | -51.2% |
| 3Q16 | 10,716 | -46.2% |
| 2Q16 | 10,552 | -55.6% |
| 1Q16 | 13,273 | -40.5% |
| 4Q15 | 19,459 | -23.9% |
| 3Q15 | 19,917 | -35.2% |
| 2Q15 | 23,744 | -36.5% |
| 1Q15 | 22,311 | -46.0% |
| 4Q14 | 25,554 | -48.3% |
| 3Q14 | 30,748 | +211.3% |
| 2Q14 | 37,417 | +1827.9% |
| 1Q14 | 41,314 | - |
| 4Q13 | 49,459 | - |
| 3Q13 | 9,878 | - |
| 2Q13 | 1,940 | - |