| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $17,530 | $12,410 |
| 2016 | $17,530 | $12,160 |
| 2017 | $17,690 | $12,757 |
| 2018 | $17,690 | $12,400 |
| 2019 | $17,690 | $11,306 |
| 2020 | $17,640 | $11,256 |
| 2021* | $17,640 | $11,030 |
| 2022* | $17,640 | $10,808 |
| 2023* | $17,640 | $10,591 |
| 2024* | $17,640 | $10,378 |
| 2025* | $17,640 | $10,169 |
