| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2Q23 | 628 | -77.2% |
| 1Q23 | 875 | -79.6% |
| 4Q22 | 3,345 | -42.2% |
| 3Q22 | 3,396 | -66.5% |
| 2Q22 | 2,759 | -68.1% |
| 1Q22 | 4,281 | -12.0% |
| 4Q21 | 5,792 | +40.7% |
| 3Q21 | 10,126 | +90.3% |
| 2Q21 | 8,655 | +80.8% |
| 1Q21 | 4,863 | -33.1% |
| 4Q20 | 4,117 | -54.2% |
| 3Q20 | 5,322 | -47.7% |
| 2Q20 | 4,788 | -46.6% |
| 1Q20 | 7,264 | -39.1% |
| 4Q19 | 8,997 | +13.6% |
| 3Q19 | 10,183 | +24.2% |
| 2Q19 | 8,960 | -38.6% |
| 1Q19 | 11,921 | -15.4% |
| 4Q18 | 7,923 | -38.6% |
| 3Q18 | 8,199 | -41.9% |
| 2Q18 | 14,596 | +16.5% |
| 1Q18 | 14,096 | +49.9% |
| 4Q17 | 12,898 | +15.7% |
| 3Q17 | 14,122 | -8.8% |
| 2Q17 | 12,533 | -28.6% |
| 1Q17 | 9,404 | -46.4% |
| 4Q16 | 11,148 | -48.7% |
| 3Q16 | 15,489 | -17.0% |
| 2Q16 | 17,541 | -7.7% |
| 1Q16 | 17,545 | -23.9% |
| 4Q15 | 21,740 | -24.6% |
| 3Q15 | 18,652 | -45.5% |
| 2Q15 | 19,011 | -45.0% |
| 1Q15 | 23,045 | -44.4% |
| 4Q14 | 28,819 | -18.8% |
| 3Q14 | 34,199 | +8.1% |
| 2Q14 | 34,593 | +32.6% |
| 1Q14 | 41,449 | +36.1% |
| 4Q13 | 35,495 | +6.0% |
| 3Q13 | 31,627 | - |
| 2Q13 | 26,088 | - |
| 1Q13 | 30,444 | - |
| 4Q12 | 33,497 | - |