| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $65,869 | $34,361 |
| 2016 | $67,795 | $42,287 |
| 2017 | $69,900 | $42,487 |
| 2018 | $69,900 | $42,838 |
| 2019 | $74,264 | $42,415 |
| 2020 | $77,921 | $46,072 |
| 2021* | $80,337 | $46,454 |
| 2022* | $82,827 | $46,840 |
| 2023* | $85,395 | $47,229 |
| 2024* | $88,042 | $47,621 |
| 2025* | $90,771 | $48,016 |