| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2Q23 | 75,900 | -36.7% |
| 1Q23 | 87,400 | -5.7% |
| 4Q22 | 60,700 | - |
| 3Q22 | 94,900 | - |
| 2Q22 | 119,900 | - |
| 1Q22 | 92,700 | - |
| 1Q20 | 1,600 | -70.4% |
| 4Q19 | 3,600 | -34.5% |
| 3Q19 | 5,200 | -22.4% |
| 2Q19 | 5,400 | 0.0% |
| 1Q19 | 5,400 | +184.2% |
| 4Q18 | 5,500 | +1275.0% |
| 3Q18 | 6,700 | -16.3% |
| 2Q18 | 5,400 | -86.6% |
| 1Q18 | 1,900 | -95.6% |
| 4Q17 | 400 | -98.1% |
| 3Q17 | 8,000 | -75.5% |
| 2Q17 | 40,400 | -82.5% |
| 1Q17 | 43,600 | +1514.8% |
| 4Q16 | 20,600 | +42.1% |
| 3Q16 | 32,600 | +1204.0% |
| 2Q16 | 231,000 | +3686.9% |
| 1Q16 | 2,700 | -52.6% |
| 4Q15 | 14,500 | +559.1% |
| 3Q15 | 2,500 | -80.2% |
| 2Q15 | 6,100 | -38.4% |
| 1Q15 | 5,700 | -18.6% |
| 4Q14 | 2,200 | -87.9% |
| 3Q14 | 12,600 | -2.3% |
| 2Q14 | 9,900 | -32.7% |
| 1Q14 | 7,000 | -62.2% |
| 4Q13 | 18,200 | -11.7% |
| 3Q13 | 12,900 | -21.8% |
| 2Q13 | 14,700 | 0.0% |
| 1Q13 | 18,500 | +219.0% |
| 4Q12 | 20,600 | -13.4% |
| 3Q12 | 16,500 | +44.7% |
| 2Q12 | 14,700 | -13.5% |
| 1Q12 | 5,800 | +3.6% |
| 4Q11 | 23,800 | - |
| 3Q11 | 11,400 | +26.7% |
| 2Q11 | 17,000 | +80.9% |
| 1Q11 | 5,600 | -30.0% |
| 3Q10 | 9,000 | - |
| 2Q10 | 9,400 | - |
| 1Q10 | 8,000 | - |