| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $29,490 | $24,055 |
| 2016 | $29,798 | $24,475 |
| 2017 | $29,798 | $24,700 |
| 2018 | $29,798 | $24,292 |
| 2019 | $30,150 | $25,208 |
| 2020 | $30,140 | $25,198 |
| 2021* | $30,140 | $25,430 |
| 2022* | $30,140 | $25,664 |
| 2023* | $30,140 | $25,900 |
| 2024* | $30,140 | $26,138 |
| 2025* | $30,140 | $26,379 |