| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2Q23 | 9,612 | -3.4% |
| 1Q23 | 10,221 | +2.6% |
| 4Q22 | 9,964 | -3.4% |
| 3Q22 | 10,107 | -3.6% |
| 2Q22 | 9,955 | +0.1% |
| 1Q22 | 9,964 | -0.5% |
| 4Q21 | 10,313 | -2.4% |
| 3Q21 | 10,480 | +10.8% |
| 2Q21 | 9,948 | +18.7% |
| 1Q21 | 10,011 | +11.0% |
| 4Q20 | 10,570 | +28.9% |
| 3Q20 | 9,460 | +12.1% |
| 2Q20 | 8,383 | +14.2% |
| 1Q20 | 9,016 | +25.6% |
| 4Q19 | 8,199 | +33.3% |
| 3Q19 | 8,442 | +35.3% |
| 2Q19 | 7,341 | +426.2% |
| 1Q19 | 7,178 | +350.3% |
| 4Q18 | 6,149 | -21.3% |
| 3Q18 | 6,240 | -17.7% |
| 2Q18 | 1,395 | -86.4% |
| 1Q18 | 1,594 | -86.2% |
| 4Q17 | 7,815 | -29.7% |
| 3Q17 | 7,580 | -29.2% |
| 2Q17 | 10,285 | +0.8% |
| 1Q17 | 11,581 | +11.7% |
| 4Q16 | 11,111 | -0.7% |
| 3Q16 | 10,699 | -12.4% |
| 2Q16 | 10,201 | -26.2% |
| 1Q16 | 10,364 | -31.9% |
| 4Q15 | 11,186 | -30.2% |
| 3Q15 | 12,218 | -13.2% |
| 2Q15 | 13,830 | -12.9% |
| 1Q15 | 15,211 | -9.6% |
| 4Q14 | 16,030 | -12.3% |
| 3Q14 | 14,071 | -14.2% |
| 2Q14 | 15,879 | - |
| 1Q14 | 16,823 | +0.9% |
| 4Q13 | 18,270 | +3.5% |
| 3Q13 | 16,409 | -9.2% |
| 1Q13 | 16,678 | +11.2% |
| 4Q12 | 17,658 | - |
| 3Q12 | 18,077 | - |
| 2Q12 | 18,306 | - |
| 1Q12 | 14,999 | - |