| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $25,640 | $18,398 |
| 2016 | $26,853 | $19,563 |
| 2017 | $26,818 | $19,469 |
| 2018 | $26,818 | $19,720 |
| 2019 | $28,650 | $19,637 |
| 2020 | $27,270 | $18,257 |
| 2021* | $27,270 | $18,180 |
| 2022* | $27,270 | $18,104 |
| 2023* | $27,270 | $18,028 |
| 2024* | $27,270 | $17,952 |
| 2025* | $27,270 | $17,877 |
