| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $24,364 | $19,316 |
| 2016 | $24,364 | $13,389 |
| 2017 | $24,594 | $17,860 |
| 2018 | $24,594 | $17,549 |
| 2019 | $24,174 | $16,950 |
| 2020 | $24,174 | $16,950 |
| 2021* | $24,174 | $16,655 |
| 2022* | $24,174 | $16,365 |
| 2023* | $24,174 | $16,081 |
| 2024* | $24,174 | $15,801 |
| 2025* | $24,174 | $15,526 |
