| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $47,122 | $32,278 |
| 2016 | $48,684 | $35,127 |
| 2017 | $50,356 | $36,207 |
| 2018 | $50,356 | $34,564 |
| 2019 | $53,494 | $36,487 |
| 2020 | $50,304 | $33,297 |
| 2021* | $51,969 | $34,319 |
| 2022* | $53,689 | $35,373 |
| 2023* | $55,466 | $36,459 |
| 2024* | $57,302 | $37,578 |
| 2025* | $59,199 | $38,732 |
