| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $65,640 | $27,849 |
| 2016 | $67,880 | $27,791 |
| 2017 | $70,420 | $27,996 |
| 2018 | $70,420 | $27,043 |
| 2019 | $75,720 | $29,787 |
| 2020 | $77,982 | $32,049 |
| 2021* | $80,641 | $32,286 |
| 2022* | $83,391 | $32,525 |
| 2023* | $86,235 | $32,766 |
| 2024* | $89,175 | $33,008 |
| 2025* | $92,216 | $33,252 |
