| 季度 | 持股数 | 市值（亿美元） |
|---|---|---|
| 2020 Q1 | 32,972,000 | 0.30 |
| 2019 Q4 | 32,972,000 | 0.79 |
| 2019 Q3 | 32,972,000 | 0.88 |
| 2019 Q2 | 32,972,000 | 1.2 |
| 2019 Q1 | 32,972,000 | 1.2 |
| 2018 Q4 | 32,972,000 | 1.1 |
| 2018 Q3 | 32,972,000 | 1.2 |
| 2018 Q2 | 32,972,000 | 1.4 |
| 2018 Q1 | 32,972,000 | 1.4 |
| 2017 Q4 | 32,972,000 | 1.7 |
| 2017 Q3 | 32,972,000 | 1.7 |
| 2017 Q2 | 32,972,000 | 1.3 |
| 2017 Q1 | 32,972,000 | 1.3 |
| 2016 Q4 | 32,972,000 | 1.1 |
| 2016 Q3 | 32,972,000 | 1.7 |
| 2016 Q2 | 32,972,000 | 1.1 |
| 2016 Q1 | 32,972,000 | 1.3 |
| 2015 Q4 | 32,972,000 | 1.0 |