| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $49,853 | $33,772 |
| 2016 | $51,782 | $35,545 |
| 2017 | $45,960 | $25,512 |
| 2018 | $45,960 | $24,659 |
| 2019 | $45,870 | $31,633 |
| 2020 | $46,470 | $32,233 |
| 2021* | $46,470 | $32,845 |
| 2022* | $46,470 | $33,469 |
| 2023* | $46,470 | $34,105 |
| 2024* | $46,470 | $34,753 |
| 2025* | $46,470 | $35,414 |