| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $32,156 | $16,402 |
| 2016 | $32,956 | $13,185 |
| 2017 | $34,956 | $15,558 |
| 2018 | $34,956 | $14,422 |
| 2019 | $35,456 | $12,853 |
| 2020 | $35,456 | $12,853 |
| 2021* | $35,963 | $11,915 |
| 2022* | $36,477 | $11,045 |
| 2023* | $36,999 | $10,239 |
| 2024* | $37,528 | $9,491 |
| 2025* | $38,065 | $8,798 |
