| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $39,560 | $17,084 |
| 2016 | $72,120 | $51,908 |
| 2017 | $74,504 | $48,033 |
| 2018 | $74,504 | $51,594 |
| 2019 | $79,512 | $53,475 |
| 2020 | $78,715 | $52,678 |
| 2021* | $81,320 | $54,601 |
| 2022* | $84,012 | $56,594 |
| 2023* | $86,793 | $58,659 |
| 2024* | $89,666 | $60,800 |
| 2025* | $92,634 | $63,020 |