| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2Q23 | 594 | -71.6% |
| 1Q23 | 587 | -90.2% |
| 4Q22 | 1,078 | -88.4% |
| 3Q22 | 1,071 | -87.0% |
| 2Q22 | 2,094 | -65.6% |
| 1Q22 | 5,993 | +272.2% |
| 4Q21 | 9,267 | - |
| 3Q21 | 8,213 | - |
| 2Q21 | 6,091 | - |
| 1Q21 | 1,610 | - |
| 4Q19 | 300 | - |
| 3Q19 | 650 | - |
| 2Q19 | 1,072 | - |
| 1Q19 | 1,564 | - |
| 1Q17 | 240 | -97.7% |
| 4Q16 | 1,002 | -93.1% |
| 3Q16 | 2,750 | -87.3% |
| 2Q16 | 5,543 | -79.0% |
| 1Q16 | 10,382 | -60.2% |
| 4Q15 | 14,598 | -28.6% |
| 3Q15 | 21,597 | -1.5% |
| 2Q15 | 26,384 | -5.8% |
| 1Q15 | 26,066 | -20.4% |
| 4Q14 | 20,439 | -36.5% |
| 3Q14 | 21,917 | -34.4% |
| 2Q14 | 27,994 | -12.0% |
| 1Q14 | 32,739 | +30.0% |
| 4Q13 | 32,192 | +4.5% |
| 3Q13 | 33,409 | +10.6% |
| 2Q13 | 31,813 | +20.8% |
| 1Q13 | 25,180 | +7.8% |
| 4Q12 | 30,798 | +227.2% |
| 3Q12 | 30,208 | +141.2% |
| 2Q12 | 26,343 | +29.3% |
| 1Q12 | 23,368 | - |
| 4Q11 | 9,413 | - |
| 3Q11 | 12,524 | - |
| 2Q11 | 20,374 | - |