| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $23,325 | $21,530 |
| 2016 | $30,344 | N/A |
| 2017 | $28,928 | $24,694 |
| 2018 | $28,928 | N/A |
| 2019 | $28,928 | $24,378 |
| 2020 | $28,928 | $24,378 |
| 2021* | $28,928 | $24,378 |
| 2022* | $28,928 | $24,378 |
| 2023* | $28,928 | $24,378 |
| 2024* | $28,928 | $24,378 |
| 2025* | $28,928 | $24,378 |