| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $15,141 | $10,616 |
| 2016 | $12,716 | $8,056 |
| 2017 | $12,716 | $8,165 |
| 2018 | $12,716 | $8,329 |
| 2019 | $15,346 | $10,305 |
| 2020 | $15,842 | $10,801 |
| 2021* | $15,842 | $11,018 |
| 2022* | $15,842 | $11,240 |
| 2023* | $15,842 | $11,465 |
| 2024* | $15,842 | $11,696 |
| 2025* | $15,842 | $11,931 |