| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2Q23 | 12,007 | +2.7% |
| 1Q23 | 11,797 | +1.5% |
| 4Q22 | 11,797 | +1.5% |
| 3Q22 | 11,797 | +4.6% |
| 2Q22 | 11,697 | +8.7% |
| 1Q22 | 11,618 | +3.0% |
| 4Q21 | 11,618 | +4.2% |
| 3Q21 | 11,278 | -63.9% |
| 2Q21 | 10,758 | -56.4% |
| 1Q21 | 11,284 | -31.1% |
| 4Q20 | 11,148 | -60.3% |
| 3Q20 | 31,215 | +12.1% |
| 2Q20 | 24,663 | -13.7% |
| 1Q20 | 16,374 | -45.8% |
| 4Q19 | 28,106 | -6.9% |
| 3Q19 | 27,856 | +1.0% |
| 2Q19 | 28,564 | +17.6% |
| 1Q19 | 30,193 | +10.2% |
| 4Q18 | 30,196 | +10.3% |
| 3Q18 | 27,593 | +1.7% |
| 2Q18 | 24,284 | -3.2% |
| 1Q18 | 27,403 | +9.2% |
| 4Q17 | 27,367 | +9.7% |
| 3Q17 | 27,121 | +8.8% |
| 2Q17 | 25,087 | +6.2% |
| 1Q17 | 25,096 | +12.0% |
| 4Q16 | 24,957 | +12.0% |
| 3Q16 | 24,928 | +11.4% |
| 2Q16 | 23,618 | +7.3% |
| 1Q16 | 22,406 | +3.5% |
| 4Q15 | 22,278 | +209.4% |
| 3Q15 | 22,375 | +210.8% |
| 2Q15 | 22,020 | +105.1% |
| 1Q15 | 21,650 | +105.8% |
| 4Q14 | 7,200 | -13.2% |
| 3Q14 | 7,200 | -8.4% |
| 2Q14 | 10,738 | +36.6% |
| 1Q14 | 10,518 | +101.5% |
| 4Q13 | 8,299 | +59.0% |
| 3Q13 | 7,859 | +57.2% |
| 2Q13 | 7,859 | +57.2% |
| 1Q13 | 5,220 | - |
| 4Q12 | 5,220 | - |
| 3Q12 | 5,000 | - |
| 2Q12 | 5,000 | -66.8% |
| 2Q11 | 15,042 | - |
| 1Q11 | 15,092 | - |