| （単位：千ドル） | 現金 + 有価証券 | 前年比（％） |
|---|---|---|
| 4Q22 | 1,050 | -73.9% |
| 3Q22 | 1,999 | -52.0% |
| 2Q22 | 4,572 | -37.7% |
| 1Q22 | 2,725 | -71.2% |
| 4Q21 | 4,032 | -61.8% |
| 3Q21 | 4,166 | -62.0% |
| 2Q21 | 7,337 | -41.4% |
| 1Q21 | 9,471 | +474.8% |
| 4Q20 | 10,566 | +620.1% |
| 3Q20 | 10,964 | +794.5% |
| 2Q20 | 12,525 | +823.4% |
| 1Q20 | 1,647 | -8.5% |
| 4Q19 | 1,467 | -30.5% |
| 3Q19 | 1,225 | -40.1% |
| 2Q19 | 1,356 | +131.1% |
| 1Q19 | 1,800 | +240.2% |
| 4Q18 | 2,111 | +143.4% |
| 3Q18 | 2,046 | +324.8% |
| 2Q18 | 586 | +8.1% |
| 1Q18 | 529 | -47.2% |
| 4Q17 | 867 | -12.2% |
| 3Q17 | 481 | -57.6% |
| 2Q17 | 543 | -57.0% |
| 1Q17 | 1,002 | -32.8% |
| 4Q16 | 988 | -44.9% |
| 3Q16 | 1,135 | -31.3% |
| 2Q16 | 1,263 | -26.0% |
| 1Q16 | 1,491 | -13.8% |
| 4Q15 | 1,795 | +18.9% |
| 3Q15 | 1,652 | -12.4% |
| 2Q15 | 1,707 | -19.3% |
| 1Q15 | 1,730 | -11.7% |
| 4Q14 | 1,510 | -20.9% |
| 3Q14 | 1,885 | -19.4% |
| 2Q14 | 2,115 | -20.5% |
| 1Q14 | 1,959 | -36.1% |
| 4Q13 | 1,909 | -31.2% |
| 3Q13 | 2,339 | -14.3% |
| 2Q13 | 2,662 | +14.7% |
| 1Q13 | 3,068 | +14.8% |
| 4Q12 | 2,776 | - |
| 3Q12 | 2,730 | - |
| 2Q12 | 2,320 | - |
| 1Q12 | 2,674 | - |