| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $59,424 | $37,815 |
| 2016 | $61,536 | $37,905 |
| 2017 | $64,086 | $40,605 |
| 2018 | $64,086 | $38,547 |
| 2019 | $68,890 | $38,532 |
| 2020 | $71,692 | $41,334 |
| 2021* | $74,610 | $41,433 |
| 2022* | $77,646 | $41,533 |
| 2023* | $80,807 | $41,632 |
| 2024* | $84,096 | $41,732 |
| 2025* | $87,518 | $41,832 |
