| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2Q22 | 15,834 | +7.4% |
| 1Q22 | 15,813 | +7.2% |
| 4Q21 | 14,751 | 0.0% |
| 3Q21 | 14,749 | 0.0% |
| 2Q21 | 14,749 | 0.0% |
| 1Q21 | 14,749 | +46.5% |
| 4Q20 | 14,748 | -4.6% |
| 3Q20 | 14,745 | -4.4% |
| 2Q20 | 14,743 | -4.7% |
| 1Q20 | 10,065 | -37.9% |
| 4Q19 | 15,458 | +7.7% |
| 3Q19 | 15,428 | +5.8% |
| 2Q19 | 15,478 | +14.7% |
| 1Q19 | 16,210 | +86.7% |
| 4Q18 | 14,356 | +122.5% |
| 3Q18 | 14,579 | - |
| 2Q18 | 13,489 | - |
| 1Q18 | 8,681 | - |
| 4Q17 | 6,451 | - |
| 4Q16 | 0 | -100.0% |
| 2Q16 | 1,007 | -92.4% |
| 1Q16 | 3,115 | -80.4% |
| 4Q15 | 8,895 | -56.7% |
| 3Q15 | 12,676 | -54.4% |
| 2Q15 | 13,208 | -60.3% |
| 1Q15 | 15,876 | -55.3% |
| 4Q14 | 20,562 | +51.6% |
| 3Q14 | 27,828 | +86.8% |
| 2Q14 | 33,260 | +85.4% |
| 1Q14 | 35,481 | +147.4% |
| 4Q13 | 13,567 | -44.3% |
| 3Q13 | 14,896 | -59.3% |
| 2Q13 | 17,940 | -40.1% |
| 1Q13 | 14,339 | -64.5% |
| 4Q12 | 24,361 | -51.8% |
| 3Q12 | 36,570 | -31.9% |
| 2Q12 | 29,928 | -52.5% |
| 1Q12 | 40,398 | - |
| 4Q11 | 50,528 | - |
| 3Q11 | 53,713 | - |
| 2Q11 | 63,000 | - |