| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $17,632 | $9,531 |
| 2016 | $17,560 | $9,224 |
| 2017 | $19,659 | $9,878 |
| 2018 | $19,659 | $8,461 |
| 2019 | $21,463 | $9,448 |
| 2020 | $20,743 | $8,728 |
| 2021* | $20,743 | $8,447 |
| 2022* | $20,743 | $8,175 |
| 2023* | $20,743 | $7,912 |
| 2024* | $20,743 | $7,657 |
| 2025* | $20,743 | $7,410 |
