| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $11,486 | $7,247 |
| 2016 | $11,486 | $6,540 |
| 2017 | $11,486 | $6,369 |
| 2018 | $11,486 | $6,122 |
| 2019 | $11,501 | $5,942 |
| 2020 | $11,501 | $5,942 |
| 2021* | $11,501 | $5,767 |
| 2022* | $11,501 | $5,598 |
| 2023* | $11,501 | $5,433 |
| 2024* | $11,501 | $5,273 |
| 2025* | $11,501 | $5,118 |