| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $36,450 | $21,821 |
| 2016 | $36,450 | $21,706 |
| 2017 | $37,200 | $17,377 |
| 2018 | $37,200 | $20,268 |
| 2019 | $35,550 | $10,701 |
| 2020 | $35,550 | $10,701 |
| 2021* | $35,550 | $10,644 |
| 2022* | $35,550 | $10,588 |
| 2023* | $35,550 | $10,532 |
| 2024* | $35,550 | $10,476 |
| 2025* | $35,550 | $10,420 |