| （単位：千ドル） | 現金同等物 | 前年比（％） |
|---|---|---|
| 4Q21 | 16,884 | -19.1% |
| 3Q21 | 14,756 | -32.9% |
| 2Q21 | 21,459 | -1.2% |
| 1Q21 | 21,917 | -9.0% |
| 4Q20 | 20,869 | -18.0% |
| 3Q20 | 21,990 | -18.8% |
| 2Q20 | 21,716 | -23.7% |
| 1Q20 | 24,077 | -1.7% |
| 4Q19 | 25,457 | +2.0% |
| 3Q19 | 27,065 | +25.9% |
| 2Q19 | 28,471 | +48.3% |
| 1Q19 | 24,497 | +3.4% |
| 4Q18 | 24,963 | +14.6% |
| 3Q18 | 21,492 | -9.9% |
| 2Q18 | 19,200 | -8.2% |
| 1Q18 | 23,688 | +56.1% |
| 4Q17 | 21,778 | +13.6% |
| 3Q17 | 23,842 | -29.0% |
| 2Q17 | 20,917 | -36.4% |
| 1Q17 | 15,178 | -27.2% |
| 4Q16 | 19,169 | +36.7% |
| 3Q16 | 33,559 | +89.6% |
| 2Q16 | 32,878 | +17.8% |
| 1Q16 | 20,847 | -38.1% |
| 4Q15 | 14,026 | -60.8% |
| 3Q15 | 17,699 | -74.6% |
| 2Q15 | 27,920 | -59.4% |
| 1Q15 | 33,689 | -46.4% |
| 4Q14 | 35,793 | -59.4% |
| 3Q14 | 69,649 | -22.5% |
| 2Q14 | 68,751 | -28.7% |
| 1Q14 | 62,871 | -42.2% |
| 4Q13 | 88,233 | -27.0% |
| 3Q13 | 89,823 | -25.9% |
| 2Q13 | 96,427 | +8.3% |
| 1Q13 | 108,819 | +6.3% |
| 4Q12 | 120,832 | - |
| 3Q12 | 121,252 | - |
| 2Q12 | 89,026 | - |
| 1Q12 | 102,331 | - |