| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 4Q22 | 5,000 | -29.6% |
| 1Q22 | 7,100 | -30.4% |
| 4Q21 | 7,100 | -30.4% |
| 3Q21 | 9,900 | -2.9% |
| 2Q21 | 10,100 | 0.0% |
| 1Q21 | 10,200 | -1.0% |
| 4Q20 | 10,200 | 0.0% |
| 3Q20 | 10,200 | -49.0% |
| 2Q20 | 10,100 | +1.0% |
| 1Q20 | 10,300 | -96.1% |
| 4Q19 | 10,200 | -96.5% |
| 3Q19 | 20,000 | -95.1% |
| 2Q19 | 10,000 | -97.9% |
| 1Q19 | 264,600 | -45.2% |
| 4Q18 | 295,500 | -34.9% |
| 3Q18 | 405,400 | -7.9% |
| 2Q18 | 480,900 | +11.3% |
| 1Q18 | 483,200 | +8.3% |
| 4Q17 | 454,000 | +2.9% |
| 3Q17 | 440,200 | +2.7% |
| 2Q17 | 432,100 | -1.0% |
| 1Q17 | 446,300 | +7.2% |
| 4Q16 | 441,100 | +10.3% |
| 3Q16 | 428,600 | +4.9% |
| 2Q16 | 436,500 | +9.5% |
| 1Q16 | 416,200 | +5.0% |
| 4Q15 | 399,800 | +3.7% |
| 3Q15 | 408,600 | +8.2% |
| 2Q15 | 398,500 | +6.0% |
| 1Q15 | 396,500 | +8.5% |
| 4Q14 | 385,600 | +4.5% |
| 3Q14 | 377,800 | +66.4% |
| 2Q14 | 375,900 | -25.5% |
| 1Q14 | 365,600 | -23.9% |
| 4Q13 | 369,100 | -22.1% |
| 3Q13 | 227,000 | -23.2% |
| 2Q13 | 504,300 | +90.2% |
| 1Q13 | 480,400 | +106.3% |
| 4Q12 | 473,700 | +128.5% |
| 3Q12 | 295,400 | +61.8% |
| 2Q12 | 265,200 | +17.1% |
| 1Q12 | 232,900 | -12.5% |
| 4Q11 | 207,300 | -28.5% |
| 3Q11 | 182,600 | - |
| 2Q11 | 226,400 | - |
| 1Q11 | 266,300 | - |
| 4Q10 | 290,106 | - |