| （単位：千ドル） | 現金 + 有価証券 | 前年比（％） |
|---|---|---|
| 4Q23 | 427 | -78.6% |
| 3Q23 | 700 | -79.4% |
| 2Q23 | 397 | -91.7% |
| 1Q23 | 1,328 | +165.8% |
| 4Q22 | 2,000 | +233.3% |
| 3Q22 | 3,400 | +279.6% |
| 2Q22 | 4,800 | +255.4% |
| 1Q22 | 500 | -79.2% |
| 4Q21 | 600 | -73.6% |
| 3Q21 | 895 | -52.7% |
| 2Q21 | 1,350 | -71.1% |
| 1Q21 | 2,403 | +353.4% |
| 4Q20 | 2,269 | +408.0% |
| 3Q20 | 1,893 | +404.8% |
| 2Q20 | 4,674 | +1428.9% |
| 1Q20 | 530 | -44.8% |
| 4Q19 | 446 | -11.9% |
| 3Q19 | 375 | -62.4% |
| 2Q19 | 305 | +124.7% |
| 1Q19 | 959 | +13.4% |
| 4Q18 | 507 | -6.7% |
| 3Q18 | 998 | +71.9% |
| 2Q18 | 136 | -91.9% |
| 1Q18 | 846 | -69.2% |
| 4Q17 | 543 | - |
| 3Q17 | 580 | -91.2% |
| 2Q17 | 1,677 | -78.7% |
| 1Q17 | 2,749 | -69.7% |
| 4Q15 | 6,617 | - |
| 3Q15 | 7,858 | - |
| 2Q15 | 9,078 | - |
| 1Q15 | 6,125 | - |
| 4Q11 | 12 | - |