| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 20,000 | -23.1% |
| 2023/12 | 26,000 | +85.7% |
| 2022/12 | 14,000 | +27.3% |
| 2021/12 | 11,000 | +22.2% |
| 2020/12 | 9,000 | -67.9% |
| 2019/12 | 28,000 | +55.6% |
| 2018/12 | 18,000 | +50.0% |
| 2017/12 | 12,000 | +50.0% |
| 2016/12 | 8,000 | +33.3% |
| 2015/12 | 6,000 | +100.0% |
| 2014/12 | 3,000 | -83.3% |
| 2013/12 | 18,000 | +1700.0% |
| 2012/12 | 1,000 | -96.6% |
| 2011/12 | 29,000 | +31.8% |
| 2010/12 | 22,000 | - |