| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 4Q22 | 0 | -100.0% |
| 3Q22 | 0 | -100.0% |
| 2Q22 | 2,539 | 0.0% |
| 1Q22 | 2,544 | +0.6% |
| 4Q21 | 2,537 | -95.2% |
| 3Q21 | 2,538 | -17.3% |
| 2Q21 | 2,538 | -13.4% |
| 1Q21 | 2,530 | -10.3% |
| 4Q20 | 53,245 | +1864.0% |
| 3Q20 | 3,070 | -80.4% |
| 2Q20 | 2,932 | -90.9% |
| 1Q20 | 2,819 | -93.8% |
| 4Q19 | 2,711 | -97.5% |
| 3Q19 | 15,633 | +4.4% |
| 2Q19 | 32,161 | +21.1% |
| 1Q19 | 45,745 | -16.1% |
| 4Q18 | 109,090 | +37.2% |
| 3Q18 | 14,974 | -83.3% |
| 2Q18 | 26,559 | -14.5% |
| 1Q18 | 54,555 | +51.5% |
| 4Q17 | 79,489 | +403.3% |
| 3Q17 | 89,758 | +190.3% |
| 2Q17 | 31,070 | -45.2% |
| 1Q17 | 36,005 | -48.2% |
| 4Q16 | 15,793 | -80.8% |
| 3Q16 | 30,916 | -68.4% |
| 2Q16 | 56,698 | - |
| 1Q16 | 69,522 | - |
| 4Q15 | 82,282 | - |
| 3Q15 | 97,934 | - |