| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 1Q19 | 0 | -100.0% |
| 3Q18 | 0 | -100.0% |
| 2Q18 | 2,122 | -94.9% |
| 1Q18 | 20,507 | -61.5% |
| 4Q17 | 29,523 | -58.2% |
| 3Q17 | 33,839 | -62.6% |
| 2Q17 | 41,871 | -53.6% |
| 1Q17 | 53,298 | -39.1% |
| 4Q16 | 70,559 | - |
| 3Q16 | 90,436 | +0.8% |
| 2Q16 | 90,144 | +0.8% |
| 1Q16 | 87,575 | -3.7% |
| 3Q15 | 89,705 | +3386.4% |
| 2Q15 | 89,429 | -4.2% |
| 1Q15 | 90,907 | -1.1% |
| 4Q14 | 90,446 | -0.9% |
| 3Q14 | 2,573 | -97.2% |
| 2Q14 | 93,336 | -6.9% |
| 1Q14 | 91,945 | -9.4% |
| 4Q13 | 91,267 | +12.4% |
| 3Q13 | 92,431 | +16.3% |
| 2Q13 | 100,260 | +2.2% |
| 1Q13 | 101,478 | +3.1% |
| 4Q12 | 81,202 | +12.8% |
| 3Q12 | 79,464 | +9.6% |
| 2Q12 | 98,076 | +5.2% |
| 1Q12 | 98,410 | -16.4% |
| 4Q11 | 72,004 | - |
| 3Q11 | 72,500 | - |
| 2Q11 | 93,228 | - |
| 1Q11 | 117,709 | - |