| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 1Q23 | 11,703 | -87.7% |
| 4Q22 | 18,311 | -83.5% |
| 3Q22 | 27,605 | -77.0% |
| 2Q22 | 68,971 | -50.9% |
| 1Q22 | 94,809 | -46.2% |
| 4Q21 | 110,704 | -19.5% |
| 3Q21 | 119,927 | +32.4% |
| 2Q21 | 140,556 | +5746.8% |
| 1Q21 | 176,221 | +770.8% |
| 4Q20 | 137,567 | +131.7% |
| 3Q20 | 90,588 | +162.6% |
| 2Q20 | 2,404 | - |
| 1Q20 | 20,237 | - |
| 4Q19 | 59,380 | - |
| 3Q19 | 34,492 | +100.8% |
| 4Q18 | 0 | -100.0% |
| 3Q18 | 17,177 | -86.3% |
| 2Q18 | 38,106 | -72.3% |
| 1Q18 | 75,000 | -48.3% |
| 4Q17 | 227,790 | +64.2% |
| 3Q17 | 125,274 | -15.2% |
| 2Q17 | 137,570 | -9.5% |
| 1Q17 | 145,174 | +31.9% |
| 4Q16 | 138,704 | +5.8% |
| 3Q16 | 147,768 | -1.3% |
| 2Q16 | 152,032 | +174.2% |
| 1Q16 | 110,050 | - |
| 4Q15 | 131,149 | - |
| 3Q15 | 149,641 | - |
| 2Q15 | 55,438 | - |