| （単位：千ドル） | 現金 + 有価証券 | 前年比（％） |
|---|---|---|
| 1Q23 | 1,839 | -45.9% |
| 4Q22 | 2,011 | -37.2% |
| 3Q22 | 1,700 | -51.4% |
| 2Q22 | 1,808 | -51.7% |
| 1Q22 | 3,400 | +68.2% |
| 4Q21 | 3,200 | +66.6% |
| 3Q21 | 3,500 | +288.9% |
| 2Q21 | 3,741 | +147.1% |
| 1Q21 | 2,020 | +107.0% |
| 4Q20 | 1,920 | +30.2% |
| 3Q20 | 900 | -6.3% |
| 2Q20 | 1,514 | -36.9% |
| 1Q20 | 976 | -58.8% |
| 4Q19 | 1,475 | -51.8% |
| 3Q19 | 960 | -66.0% |
| 2Q19 | 2,400 | -40.6% |
| 1Q19 | 2,368 | -48.1% |
| 4Q18 | 3,059 | +202.5% |
| 3Q18 | 2,827 | +61.4% |
| 2Q18 | 4,043 | +145.4% |
| 1Q18 | 4,563 | +33.0% |
| 4Q17 | 1,011 | -70.2% |
| 3Q17 | 1,751 | -71.5% |
| 2Q17 | 1,647 | -82.5% |
| 1Q17 | 3,431 | -70.0% |
| 4Q16 | 3,391 | -74.8% |
| 3Q16 | 6,143 | -61.8% |
| 2Q16 | 9,425 | -49.9% |
| 1Q16 | 11,423 | -45.7% |
| 4Q15 | 13,433 | -38.3% |
| 3Q15 | 16,065 | -37.8% |
| 2Q15 | 18,831 | -32.8% |
| 1Q15 | 21,018 | -22.6% |
| 4Q14 | 21,774 | -20.4% |
| 3Q14 | 25,833 | -10.0% |
| 2Q14 | 28,027 | +32.6% |
| 1Q14 | 27,139 | -1.0% |
| 4Q13 | 27,361 | -6.2% |
| 3Q13 | 28,715 | +13.2% |
| 2Q13 | 21,132 | -36.2% |
| 1Q13 | 27,414 | -26.0% |
| 4Q12 | 29,182 | -21.5% |
| 3Q12 | 25,356 | -30.7% |
| 2Q12 | 33,106 | -11.7% |
| 1Q12 | 37,044 | - |
| 4Q11 | 37,152 | - |
| 3Q11 | 36,592 | - |
| 2Q11 | 37,474 | - |