| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $18,183 | $12,695 |
| 2016 | $17,858 | $12,104 |
| 2017 | $17,771 | $11,055 |
| 2018 | $17,771 | $11,446 |
| 2019 | $19,346 | $12,865 |
| 2020 | $19,346 | $12,865 |
| 2021* | $19,346 | $12,865 |
| 2022* | $19,346 | $12,865 |
| 2023* | $19,346 | $12,865 |
| 2024* | $19,346 | $12,865 |
| 2025* | $19,346 | $12,865 |