| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $25,416 | $22,034 |
| 2016 | $25,415 | $22,460 |
| 2017 | $25,415 | $19,640 |
| 2018 | $25,415 | $19,481 |
| 2019 | $25,415 | $16,720 |
| 2020 | $25,415 | $16,720 |
| 2021* | $25,415 | $16,585 |
| 2022* | $25,415 | $16,450 |
| 2023* | $25,415 | $16,317 |
| 2024* | $25,415 | $16,185 |
| 2025* | $25,415 | $16,054 |