| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 1Q24 | 485 | - |
| 4Q23 | 486 | - |
| 3Q23 | 484 | - |
| 2Q21 | 472 | -4.5% |
| 1Q21 | 526 | -68.7% |
| 4Q20 | 701 | -72.0% |
| 3Q20 | 0 | -100.0% |
| 2Q20 | 494 | -74.3% |
| 1Q20 | 1,679 | -33.1% |
| 4Q19 | 2,500 | -71.9% |
| 3Q19 | 998 | -90.5% |
| 2Q19 | 1,925 | -81.8% |
| 1Q19 | 2,509 | -60.5% |
| 4Q18 | 8,893 | +99.6% |
| 3Q18 | 10,464 | +285.4% |
| 2Q18 | 10,552 | +173.2% |
| 1Q18 | 6,352 | +4.3% |
| 4Q17 | 4,455 | -43.8% |
| 3Q17 | 2,715 | -71.7% |
| 2Q17 | 3,863 | -65.3% |
| 1Q17 | 6,088 | -45.4% |
| 4Q16 | 7,924 | -39.8% |
| 3Q16 | 9,596 | -30.0% |
| 2Q16 | 11,143 | -16.2% |
| 1Q16 | 11,156 | -5.7% |
| 4Q15 | 13,156 | +46.6% |
| 3Q15 | 13,704 | +58.2% |
| 2Q15 | 13,301 | +58.3% |
| 1Q15 | 11,831 | +66.6% |
| 4Q14 | 8,975 | +34.8% |
| 3Q14 | 8,665 | +57.1% |
| 2Q14 | 8,405 | +28.4% |
| 1Q14 | 7,103 | +8.2% |
| 4Q13 | 6,658 | -11.3% |
| 3Q13 | 5,516 | -23.6% |
| 2Q13 | 6,546 | -26.8% |
| 1Q13 | 6,563 | -35.9% |
| 4Q12 | 7,508 | - |
| 3Q12 | 7,224 | - |
| 2Q12 | 8,937 | - |
| 1Q12 | 10,244 | - |