| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 29,006 | -37.0% |
| 2023/12 | 34,445 | -30.9% |
| 2023/1 | 46,028 | -7.7% |
| 2022/1 | 49,870 | +11.9% |
| 2021/1 | 44,574 | - |
| 2019/12 | 45,949 | -3.6% |
| 2018/12 | 47,660 | -16.4% |
| 2017/12 | 56,002 | -4.1% |
| 2017/1 | 56,981 | -2.4% |
| 2016/1 | 58,369 | - |
| 2014/12 | 74,054 | -11.0% |
| 2013/12 | 83,197 | -30.2% |
| 2012/12 | 113,283 | +5.7% |
| 2012/1 | 119,271 | +11.2% |
| 2011/1 | 107,223 | - |