| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $64,480 | $23,649 |
| 2016 | $67,250 | $24,605 |
| 2017 | $69,820 | $33,223 |
| 2018 | $69,820 | $34,690 |
| 2019 | $75,671 | $34,604 |
| 2020 | $78,100 | $37,033 |
| 2021* | $81,083 | $38,670 |
| 2022* | $84,181 | $40,379 |
| 2023* | $87,397 | $42,164 |
| 2024* | $90,735 | $44,027 |
| 2025* | $94,201 | $45,973 |