| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $63,800 | $35,188 |
| 2016 | $66,040 | $35,439 |
| 2017 | $68,296 | $36,105 |
| 2018 | $68,296 | $36,430 |
| 2019 | $73,045 | $36,462 |
| 2020 | $75,550 | $38,967 |
| 2021* | $78,141 | $39,318 |
| 2022* | $80,822 | $39,672 |
| 2023* | $83,594 | $40,029 |
| 2024* | $86,461 | $40,389 |
| 2025* | $89,427 | $40,752 |
