| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 1Q22 | 100,000 | +100.0% |
| 4Q21 | 100,000 | +100.0% |
| 3Q21 | 96,800 | +93.6% |
| 2Q21 | 97,900 | +95.8% |
| 1Q21 | 50,000 | -11.0% |
| 4Q20 | 50,000 | +657.6% |
| 3Q20 | 50,000 | +719.7% |
| 2Q20 | 50,000 | +693.7% |
| 1Q20 | 56,200 | - |
| 4Q19 | 6,600 | - |
| 3Q19 | 6,100 | - |
| 2Q19 | 6,300 | - |
| 4Q18 | 0 | -100.0% |
| 4Q17 | 228,400 | +44.6% |
| 3Q17 | 165,300 | +1.5% |
| 2Q17 | 222,600 | +18.5% |
| 1Q17 | 187,000 | -11.2% |
| 4Q16 | 157,900 | -21.5% |
| 3Q16 | 162,800 | -19.1% |
| 2Q16 | 187,900 | +8.7% |
| 1Q16 | 210,600 | +33.5% |
| 4Q15 | 201,200 | +13.0% |
| 3Q15 | 201,300 | +78.0% |
| 2Q15 | 172,800 | +154.9% |
| 1Q15 | 157,800 | - |
| 4Q14 | 178,000 | - |
| 3Q14 | 113,100 | - |
| 2Q14 | 67,800 | - |