| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $40,204 | $33,181 |
| 2016 | $41,234 | $33,390 |
| 2017 | $42,250 | $33,833 |
| 2018 | $42,250 | $33,928 |
| 2019 | $46,724 | $36,456 |
| 2020 | $47,174 | $36,906 |
| 2021* | $48,334 | $37,360 |
| 2022* | $49,524 | $37,819 |
| 2023* | $50,742 | $38,285 |
| 2024* | $51,990 | $38,756 |
| 2025* | $53,269 | $39,232 |
