| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $16,854 | $14,383 |
| 2016 | $16,854 | $12,013 |
| 2017 | $16,974 | $11,622 |
| 2018 | $16,974 | $11,995 |
| 2019 | $17,319 | $12,809 |
| 2020 | $17,319 | $12,809 |
| 2021* | $17,319 | $12,809 |
| 2022* | $17,319 | $12,809 |
| 2023* | $17,319 | $12,809 |
| 2024* | $17,319 | $12,809 |
| 2025* | $17,319 | $12,809 |