| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $26,463 | $19,106 |
| 2016 | $26,184 | $17,838 |
| 2017 | $27,080 | $19,858 |
| 2018 | $27,080 | $21,383 |
| 2019 | $27,430 | $17,928 |
| 2020 | $27,430 | $17,928 |
| 2021* | $27,430 | $17,928 |
| 2022* | $27,430 | $17,928 |
| 2023* | $27,430 | $17,928 |
| 2024* | $27,430 | $17,928 |
| 2025* | $27,430 | $17,928 |
