| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $17,879 | $13,094 |
| 2016 | $17,879 | $12,374 |
| 2017 | $17,889 | $14,593 |
| 2018 | $17,889 | $13,381 |
| 2019 | $17,889 | $12,280 |
| 2020 | $17,889 | $12,280 |
| 2021* | $17,889 | $11,605 |
| 2022* | $17,889 | $10,966 |
| 2023* | $17,889 | $10,363 |
| 2024* | $17,889 | $9,793 |
| 2025* | $17,889 | $9,255 |
