| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $58,401 | $39,692 |
| 2016 | $60,303 | $41,761 |
| 2017 | $62,781 | $43,671 |
| 2018 | $62,781 | $41,814 |
| 2019 | $68,001 | $45,660 |
| 2020 | $69,264 | $46,923 |
| 2021* | $71,522 | $49,067 |
| 2022* | $73,854 | $51,310 |
| 2023* | $76,261 | $53,655 |
| 2024* | $78,747 | $56,107 |
| 2025* | $81,315 | $58,671 |