| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $27,402 | $18,411 |
| 2016 | $28,370 | $18,529 |
| 2017 | $28,370 | $18,888 |
| 2018 | $28,370 | $17,891 |
| 2019 | $30,212 | $19,331 |
| 2020 | $30,212 | $19,331 |
| 2021* | $30,212 | $19,455 |
| 2022* | $30,212 | $19,579 |
| 2023* | $30,212 | $19,705 |
| 2024* | $30,212 | $19,831 |
| 2025* | $30,212 | $19,958 |
