| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $64,775 | $31,683 |
| 2016 | $67,043 | $31,304 |
| 2017 | $69,385 | $31,305 |
| 2018 | $69,385 | $29,795 |
| 2019 | $74,193 | $32,941 |
| 2020 | $76,883 | $35,631 |
| 2021* | $79,574 | $35,631 |
| 2022* | $82,359 | $35,631 |
| 2023* | $85,242 | $35,631 |
| 2024* | $88,225 | $35,631 |
| 2025* | $91,313 | $35,631 |