| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 4Q24 | 20,000 | -23.1% |
| 4Q23 | 26,000 | +85.7% |
| 4Q22 | 14,000 | +27.3% |
| 4Q21 | 11,000 | +22.2% |
| 4Q20 | 9,000 | -67.9% |
| 4Q19 | 28,000 | +55.6% |
| 4Q18 | 18,000 | +50.0% |
| 4Q17 | 12,000 | +50.0% |
| 4Q16 | 8,000 | +33.3% |
| 4Q15 | 6,000 | +100.0% |
| 4Q14 | 3,000 | -83.3% |
| 4Q13 | 18,000 | +1700.0% |
| 4Q12 | 1,000 | -96.6% |
| 3Q12 | 2,000 | -94.4% |
| 2Q12 | 3,000 | -88.0% |
| 1Q12 | 24,000 | -17.2% |
| 4Q11 | 29,000 | +31.8% |
| 3Q11 | 36,000 | +9.8% |
| 2Q11 | 25,000 | -6.7% |
| 1Q11 | 29,000 | +15.5% |
| 4Q10 | 22,000 | - |
| 3Q10 | 32,800 | - |
| 2Q10 | 26,800 | - |
| 1Q10 | 25,100 | - |