| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $20,921 | $15,955 |
| 2016 | $21,234 | $16,468 |
| 2017 | $22,192 | $16,736 |
| 2018 | $22,192 | $16,712 |
| 2019 | $19,155 | $12,670 |
| 2020 | $19,155 | $12,670 |
| 2021* | $19,155 | $12,670 |
| 2022* | $19,155 | $12,670 |
| 2023* | $19,155 | $12,670 |
| 2024* | $19,155 | $12,670 |
| 2025* | $19,155 | $12,670 |
