| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $69,084 | $25,778 |
| 2016 | $66,702 | $17,776 |
| 2017 | $68,631 | $22,504 |
| 2018 | $68,631 | $19,446 |
| 2019 | $78,542 | $23,471 |
| 2020 | $76,464 | $21,393 |
| 2021* | $76,464 | $19,500 |
| 2022* | $76,464 | $17,774 |
| 2023* | $76,464 | $16,201 |
| 2024* | $76,464 | $14,767 |
| 2025* | $76,464 | $13,460 |