| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $28,430 | $20,642 |
| 2016 | $28,430 | $17,512 |
| 2017 | $28,430 | $20,149 |
| 2018 | $28,430 | $19,664 |
| 2019 | $28,430 | $18,937 |
| 2020 | $28,430 | $18,937 |
| 2021* | $28,430 | $18,481 |
| 2022* | $28,430 | $18,035 |
| 2023* | $28,430 | $17,601 |
| 2024* | $28,430 | $17,176 |
| 2025* | $28,430 | $16,762 |