| （単位：百万ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2023/12 | 1,163 | -6.6% |
| 2022/12 | 1,245 | -4.9% |
| 2021/12 | 1,309 | +160.8% |
| 2020/12 | 502 | -66.3% |
| 2019/12 | 1,488 | +4.6% |
| 2018/12 | 1,423 | -87.3% |
| 2017/12 | 11,184 | -45.4% |
| 2016/12 | 20,485 | +76.6% |
| 2015/12 | 11,601 | +626.0% |
| 2014/12 | 1,598 | +264.0% |
| 2013/12 | 439 | -39.0% |
| 2012/12 | 719 | +1030.0% |
| 2011/12 | 63 | -98.0% |
| 2010/12 | 3,219 | - |