| （単位：千ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2023/12 | 35,304 | -38.6% |
| 2022/12 | 57,534 | -20.1% |
| 2021/12 | 71,972 | - |
| 2019/12 | 318,202 | +223.2% |
| 2018/12 | 98,460 | -63.8% |
| 2017/12 | 272,031 | +8.4% |
| 2016/12 | 250,981 | -30.2% |
| 2015/12 | 359,581 | +41.1% |
| 2014/12 | 254,787 | +100.6% |
| 2013/12 | 127,040 | +346.0% |
| 2012/12 | 28,485 | +285.2% |
| 2011/12 | 7,395 | -57.1% |
| 2010/12 | 17,230 | - |