| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $63,600 | $30,341 |
| 2016 | $66,400 | $26,927 |
| 2017 | $68,616 | $28,828 |
| 2018 | $68,616 | $31,744 |
| 2019 | $74,760 | $35,474 |
| 2020 | $78,080 | $38,794 |
| 2021* | $81,516 | $42,425 |
| 2022* | $85,102 | $46,396 |
| 2023* | $88,847 | $50,739 |
| 2024* | $92,756 | $55,488 |
| 2025* | $96,837 | $60,682 |