| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $22,766 | $14,550 |
| 2016 | $23,300 | $15,444 |
| 2017 | $23,906 | $14,778 |
| 2018 | $23,906 | $14,631 |
| 2019 | $23,894 | $14,127 |
| 2020 | $18,746 | $8,979 |
| 2021* | $18,746 | $8,670 |
| 2022* | $18,746 | $8,372 |
| 2023* | $18,746 | $8,084 |
| 2024* | $18,746 | $7,806 |
| 2025* | $18,746 | $7,537 |