| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $18,900 | $9,408 |
| 2016 | $19,400 | $10,435 |
| 2017 | $19,400 | $8,162 |
| 2018 | $19,400 | $8,410 |
| 2019 | $19,900 | $8,178 |
| 2020 | $19,900 | $8,178 |
| 2021* | $19,900 | $8,178 |
| 2022* | $19,900 | $8,178 |
| 2023* | $19,900 | $8,178 |
| 2024* | $19,900 | $8,178 |
| 2025* | $19,900 | $8,178 |