| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $65,496 | $29,222 |
| 2016 | $67,650 | $32,455 |
| 2017 | $69,863 | $31,780 |
| 2018 | $69,863 | $31,321 |
| 2019 | $74,028 | $31,126 |
| 2020 | $67,667 | $24,765 |
| 2021* | $69,880 | $24,408 |
| 2022* | $72,165 | $24,057 |
| 2023* | $74,525 | $23,710 |
| 2024* | $76,962 | $23,369 |
| 2025* | $79,478 | $23,033 |
