| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $19,694 | $13,980 |
| 2016 | $19,914 | $14,137 |
| 2017 | $19,915 | $13,722 |
| 2018 | $19,915 | $13,480 |
| 2019 | $19,915 | $12,546 |
| 2020 | $19,915 | $12,546 |
| 2021* | $19,915 | $12,325 |
| 2022* | $19,915 | $12,108 |
| 2023* | $19,915 | $11,895 |
| 2024* | $19,915 | $11,686 |
| 2025* | $19,915 | $11,480 |
