| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2Q21 | 105,758 | +46082.5% |
| 1Q21 | 93,679 | +41908.5% |
| 4Q20 | 244 | -99.6% |
| 3Q20 | 247 | -97.8% |
| 2Q20 | 229 | -97.9% |
| 1Q20 | 223 | -99.8% |
| 4Q19 | 61,118 | +9.5% |
| 3Q19 | 10,999 | -72.9% |
| 2Q19 | 10,915 | +3.1% |
| 1Q19 | 132,203 | +1158.4% |
| 4Q18 | 55,820 | +431.3% |
| 3Q18 | 40,602 | +142.2% |
| 2Q18 | 10,587 | -73.0% |
| 1Q18 | 10,506 | -80.2% |
| 4Q17 | 10,506 | -85.2% |
| 3Q17 | 16,767 | -83.0% |
| 2Q17 | 39,204 | -64.9% |
| 1Q17 | 53,155 | -56.4% |
| 4Q16 | 71,010 | -46.1% |
| 3Q16 | 98,730 | -22.9% |
| 2Q16 | 111,540 | -19.4% |
| 1Q16 | 122,009 | -12.5% |
| 4Q15 | 131,720 | - |
| 3Q15 | 127,974 | - |
| 2Q15 | 138,310 | - |
| 1Q15 | 139,518 | - |