| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $17,140 | $16,145 |
| 2016 | $17,210 | $14,345 |
| 2017 | $17,355 | N/A |
| 2018 | $17,355 | N/A |
| 2019 | $17,355 | $11,641 |
| 2020 | $17,355 | $11,641 |
| 2021* | $17,355 | $10,993 |
| 2022* | $17,355 | $10,380 |
| 2023* | $17,355 | $9,802 |
| 2024* | $17,355 | $9,256 |
| 2025* | $17,355 | $8,741 |