| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $62,773 | $37,023 |
| 2016 | $65,773 | $36,918 |
| 2017 | $68,231 | $38,910 |
| 2018 | $68,231 | $38,068 |
| 2019 | $73,124 | $39,307 |
| 2020 | $75,835 | $42,018 |
| 2021* | $78,671 | $43,384 |
| 2022* | $81,614 | $44,794 |
| 2023* | $84,666 | $46,249 |
| 2024* | $87,832 | $47,752 |
| 2025* | $91,117 | $49,304 |