| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 1Q24 | 1,400 | - |
| 4Q23 | 1,244 | - |
| 4Q21 | 252 | -93.4% |
| 3Q21 | 1,034 | -80.6% |
| 2Q21 | 2,141 | -22.0% |
| 1Q21 | 3,173 | -3.3% |
| 4Q20 | 3,835 | -4.6% |
| 3Q20 | 5,332 | +207.9% |
| 2Q20 | 2,746 | +37.9% |
| 1Q20 | 3,282 | +20.0% |
| 4Q19 | 4,020 | +0.7% |
| 3Q19 | 1,732 | -65.3% |
| 2Q19 | 1,992 | -56.2% |
| 1Q19 | 2,736 | -62.2% |
| 4Q18 | 3,991 | -24.0% |
| 3Q18 | 4,990 | +17.2% |
| 2Q18 | 4,543 | -21.1% |
| 1Q18 | 7,245 | +52.2% |
| 4Q17 | 5,253 | +249.3% |
| 3Q17 | 4,256 | -5.6% |
| 2Q17 | 5,760 | +43.7% |
| 1Q17 | 4,759 | +35.7% |
| 4Q16 | 1,504 | -80.0% |
| 3Q16 | 4,508 | -25.2% |
| 2Q16 | 4,009 | -33.6% |
| 1Q16 | 3,507 | -50.4% |
| 4Q15 | 7,516 | +35.3% |
| 3Q15 | 6,025 | +99.4% |
| 2Q15 | 6,038 | +20.2% |
| 1Q15 | 7,066 | - |
| 4Q14 | 5,555 | - |
| 3Q14 | 3,021 | - |
| 2Q14 | 5,022 | - |
| 1Q13 | 3,567 | - |
| 4Q12 | 7,855 | - |
| 3Q12 | 11,862 | - |
| 2Q12 | 8,355 | - |