| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $63,955 | $36,803 |
| 2016 | $66,262 | $40,351 |
| 2017 | $66,950 | $37,666 |
| 2018 | $66,950 | $39,626 |
| 2019 | $63,814 | $38,434 |
| 2020 | $59,431 | $34,051 |
| 2021* | $59,431 | $33,026 |
| 2022* | $59,431 | $32,032 |
| 2023* | $59,431 | $31,068 |
| 2024* | $59,431 | $30,133 |
| 2025* | $59,431 | $29,226 |