| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 3Q17 | 0 | - |
| 2Q17 | 0 | - |
| 1Q17 | 0 | - |
| 4Q16 | 0 | -100.0% |
| 3Q16 | 0 | -100.0% |
| 2Q16 | 0 | -100.0% |
| 1Q16 | 0 | -100.0% |
| 4Q15 | 250 | -99.5% |
| 3Q15 | 10,000 | - |
| 2Q15 | 60,000 | +1.7% |
| 1Q15 | 11,000 | -81.4% |
| 4Q14 | 50,000 | -28.6% |
| 3Q14 | 0 | -100.0% |
| 2Q14 | 59,000 | -26.3% |
| 1Q14 | 59,000 | -30.6% |
| 4Q13 | 70,000 | +250.0% |
| 3Q13 | 89,000 | +140.5% |
| 2Q13 | 80,000 | +300.0% |
| 1Q13 | 85,000 | +240.0% |
| 4Q12 | 20,000 | -63.6% |
| 3Q12 | 37,000 | -56.5% |
| 2Q12 | 20,000 | -78.3% |
| 1Q12 | 25,000 | - |
| 4Q11 | 55,001 | - |
| 3Q11 | 85,001 | - |
| 2Q11 | 92,000 | - |